Handy Biology Essay Examples

Papers collected: 583

Nervous system anatomy senses

Corresponding to the position of an optic disc, blind spot is a minute portion of the visual field of human eye within the retina. Describe the relationship between hearing and balance.A.

Plant & animal biology

The system allows the exchange of O2 and carbon dioxide between the cells and also the air, so sanctioning the consumption of O2 into the body for aerobic respiration and also the unleash of carbon dioxide for regulating of bodily fluid ph. The lungs are the primary organ of the >>>

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The unseen

The Unseen Health personnel's protective attire may seem clean, and appealing generally to people who may encounter themeither in health facility confinements or outside in the public. In curbing this predicament and shun the bacteria's epidemic, it is vital that the staff or training students be adequately equipped with protective >>>

Influence of architectural stimulation on human cognitive response

Psychology is the science of human behavior and mind. It is influenced and developed by the environment of the human being.

Characterization of biofilm formed by escherichia coli biology essay

Therefore the main way to access the pathogenicity and its contributing virulence factors is by identifying the genetic and the phenotypic differences between the pathogens and the closely related non-pathogenic bacteria. Thus the genetic structure and the level of variation observed among the commensal populations of E.coli have served as >>>

Example of essay on oceanography professor

He was not one of those people who became doctors with a story of how he got a stethoscope for Christmas as a child and, as he played with it, he knewhe wanted to grow up and help people. Though he was not a fan of the extra work he >>>

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The process investigates the presence of the presence of distinguishing neurological and neuropsychological features and the absence of alternate conditions. Westport: ABC-CLIO, 2011.

Explain how human skin color reflects adaptations to varying amounts of sunlight

However, with the increase in knowledge and understanding that science brought to the modern world, more and more people come to realize that their skin color is not something to boast about or be ashamed of. It is believed that Africans and other races with similar skin color have darker >>>

Advance in oral drug delivery biology essay

Advance in oral drug deliveryOral route is one of the most and appropriate route for the delivery of pharmaceutical active ingredients in various perspectives such as ease of administration; patient compliance as well as patient acceptance and cost-effectiveness. The advantages and disadvantages of oral mucosa for delivery of drug are >>>

Mitochandria – dissertation example

It is also through the mitochondria that the cell can store and control the concentration of calcium ions. The endosymbiotic theory explains the presence of mitochondria in cells.

Growth and biomass yield of maize biology essay

Therefore, uptake of Hg by plant will depend on the ability of plant to control the processes that enhance the concentration of Hg in the soil solution [10]. Therefore, the aims of this study were to elucidate the potential of the three wild plant species for phytoremediation of mercury-contaminated soils >>>


The potential cost comes in the form of the legal aspect and the ethical consideration that it faced as mentioned in the first paragraph. The possibility of preventing the spread of AIDs is also the possible benefit that can come out of it.

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Preferences research paper

Through the strenuous physical activity that is involved in sports the body is able to burn the extra calories in the body. Through learning, I have been able to understand that advantages that are linked with the participation in sports.

Biology genetic

Therefore, by the end of the research one should be capable of defining the prospect of a certain gene of a species and that of a penny or a dice no matter how many times they are tossed. Keywords: Sample SpaceProbability in a simple sense can be defined as how >>>

Plants in the deserts of the middle east

Olive trees are in abundance in the Mediterranean desert toward the north of the Sahara desert. The main factor the limits the plants' survival in the desert of Utah is water.

Produce an infectious disease biology essay

In respect of cultural characteristics, the isolates of B.cinerea showed marked variations in colony color, shape, margin and texture. The study proved the synthesis of virulence factors in all the isolates of B.cinerea.

A report on antibacterial lab

Using a Q-tip sufficiently saturated with bacteria, swab it lightly onto the quadrant "Hand Sanitizer", ensuring that the Q-tip does not touch the paper and that you do not apply so much pressure as to break the agar layer. It was not effective and all and the bacteria had completely >>>

Transport of gas

Transport of gas TASK 3 a) The difference in percentage saturation between the hemoglobin of the fetus and the mother at partial pressures of oxygen of 4kPa is 14%.b) The oxygen dissociation curve of fetal hemoglobin is to the left of the mother's adult hemoglobin. Therefore, at low partial pressures >>>

The effect of salbutamol on the response of ileum to acetylcholine

The effect of Salbutamol on the response of Ileum to Acetylcholine Response to question From the graph, the EC50 of Acetylcholine is 4. Eur J Clin Pharmacol;41:609 611.

Classification of damage and damage identification methods biology essay

In linear damage, the change in the geometry and/or the material properties of the structure causes the changes in modal properties. The different combination of changes in the modal frequencies is due to the changes in the structure at different locations.

Dyes and their chemistry biology essay

Dyes are classified according to their application and chemical structure, and are composed of a group of atoms known as chromophores, responsible for the dye color. The main chemical structural and functional groups of vat dyes are anthraquinone and indigoid.

Sikkim wildlife and biodiversity

2 % of the geographical area of the country has tremendous biodiversity and has been identified as one of the HOT-SPOT in the Eastern Himalayas. This is evident from the presence of Sal Shorea robusta forests in the Rangit Valley in the south to the temperate fir forests in the >>>

Nutrition plan for muscle growth

The truth of the matter is, you will not achieve maximum muscle gains and growth without implementing and following a strict nutrition plan which is required to help you achieve desired results. Your total caloric consumption will result in what kind of body you will obtain:Build Muscle: If your main >>>

Review of treatments of advanced colorectal cancer biology essay

Colorectal cancer affects the lower part of the digestive system and is the third most common type of cancer in men and the second most common in women. Colorectal cancer, cancer of the large bowel, which includes both the colon and rectum, is a cause of significant mortality and morbidity.

Potent and specific genetic interference by double-stranded rna in caenorhabditis elegans

Potent and Specific Genetic Interference by Double-Stranded RNA in Caenorhabditis Elegans One of the significant functions of RNA is to impede the functions of endogenous genes. Figure 1Placing the double-stranded structure in cis has no effect on the potent activity of the interference.

Severity of cancer affecting our society biology essay

In the near future the number of cancer patients is said to rise by 70%. 5 million of male deaths were caused dude to cancer and 12 per cent of the 1.

Hydroponics figure with capion and fianl data table – lab report example

GROUP 1GROUP 2GROUP 3Number of leavesNumber of stemLeaf sizeThe color of leaves and stemCompleteness of the leaves and stemStem diameterPercentage of leaf discoloredAmount of rootsPlant heightpH of the solutionAnalysis:Going to this experiment, it is clear that calcium has an effect on Spinach Tyee. All the three groups experienced different colors >>>

Acquired unilateral vocal fold paralysis biology essay

In 43 cases we identified the cause of the vocal fold paralysis while in 10 cases the cause was not revealed and labeled as idiopathic. In addition to neck surgery, we reported in this study thoracic procedure, cardiac and skull base surgery as a causative of unilateral paralysis of the >>>

Culture dependent vs culture independent methods – lab report example

Describe the groups of bacteria these studies identified to be present in the human mouth. Some of the bacteria that reside in the mouth include but not limited to, staphylococcus with the most common ones being S.epidermidis and S.aureus.

The man who loved flowers essay

It truly is like the chief character has to personalities.one that is bright and in love with his dream miss Norma.the miss he hopes to run into shortly.it is the 1 he shows to the remainder of the universe and it makes everybody believe he is beautiful. Possibly the chief >>>

Differences between animal and plant cells essay

Small, but useful organelles within the cell are the mitochondrion, the secretory vesicles, the lysosome. Four big parts within the cell are the vacuole, the chloroplast, and the cytosol, and the cell wall.

African plants used in medicine

Introduction: Recorded Medicinal uses: The Shangaan use the Hibiscus sp.leaves in the form of tea for the treatment of hypertension, profuse menstruation and PMS. In the East Indies and Senegal the seed has been used as a remedy for eye diseases and dysentery.

Biological rhythms essay sample

Ultimate control of the SCN is thought to reside in a gland in the brain known as the pineal gland. Method:Within two weeks, each day, the time of waking is set with a bell, and recorded with the hours that one sets herself or himself to sleep.

The metabolism of ethanol biology essay

The aim of the project is to explore species form by using a range of modern spectroscopic techniques and investigation of copper complexes. The mechanism of the drug is by inhibition of aldehyde dehydrogenase which causes unpleasant and long-lasting side effects upon the ingestion of alcohol in person treated with >>>


The work of a brochure is to explain deeply the course of certain aliments, mode of cure and how to prevent the spread. Variety of medical brochure follow a standard which has proven being successful over time, it includes use of, outlining the medical condition and the diseases.

Population ecology

Reflections on Human Ecology Lecture The lecture on Population Ecology explored the field by outlining how it is able to explain the adaptation of organisms to their environment, including the interactions that ensue in such relationship. The lecture explained how population ecology studies the dynamics of population and how it >>>

Positive aspects of hybridization

The three times hybridization of the prairie sunflower with the common sunflower that results in the generation of three different types of sunflowers, namely the puzzle sunflower, the desert sunflower, and the sand sunflower is one good example. Negative aspects of hybridization:Manual hybridization of animal and plant species can cause >>>

The use of sterilization and disinfectants biology essay

It is therefore the responsibility of the pharmaceutical scientist to ensure that the production of medicines is capable of destroying any type of micro-organism, to ensure that the medicaments are sterile and contain no living microbes and that there is no microbial spoilage to their medicines. Consequently, the use of >>>

Connection journal about nutrient cycling

Next, the creative director takes in the ideas of the creative staff and forms the cover and photo concepts. In the absence of both the creative and managing director, the tasks may not be completed and eventually phase-out.

Cell lines and culture conditions biology essay

After 2 weeks, cells were fixed in 4% paraformaldehyde for 15 minutes and visualized by staining the cells with 0. The cells were fixed in 4% paraformaldehyde for 15 minutes and stained with Hoechst 33342 for 10 minutes.

Effect of ph on invertase activity

Determination of the effect of pH on invertase activity is the primary objective of the experiment. Then, 3 mL of DNS reagent was added before the test tubes were immersed in a water bath at 95 degrees Celsius for 10 minutes to develop the characteristics of a red-brown color solution.

Identification of plant disease using machine learning approach

Classification of Plant and Diseased Plants using digital image processing and Machine Learning approach which can help to control growth of diseases on Plants using the pesticides in the quantity needed so that excess use of pesticides can be avoided. Automatic identification of plant diseases is an important task as >>>

Photosynthesis (why does is matter to us)

According to the University of Illinois, photosynthetic plants utilize a small portion of the radiant energy to perform a series of transduction reactions that lead to formation of stable chemical compounds. The photosynthetic process can be summarized in the following equation:6CO2 + 6H2O + Energy - > C6H12O6 + 6O2 >>>

How multitasking effects on our brain

As the obsession of being efficient continues to grow, many people feel the need to multitask in order to get multiple tasks done at once; however, research shows that multitasking only creates more distractions, resulting in a loss of focus, an alteration of imperative brain functions, and possibly a disorder >>>

To immunize or not to immunize

Furthermore, the vaccination against a disease should be continued until the disease has been wiped out, and no person is affected by it. The sole purpose of the vaccinations is to make people vulnerable to diseases, so that they can be protected and can live a normal life.

Elevational gradients in species richness

Elevational Gradients in Species Richness According to "Elevational Gradients in Species Richness," solar radiation, air pressure, and temperature are key factors affecting diversity, habitats productivity, and species activity. In my opinion, the article and the topic are perfectly related since knowing about elevational patterns in species richness is essential in >>>

Hela cells

The women in the lab cut the cancer cells, placed them in test tubes, and placed them in the incubator. That year was the worst year of the polio epidemic they used Hela cells to test the vaccine that protected millions.

A thrombus or blood clot biology essay

This mechanism is the formation of fibrin, activation and aggregation of platelet and vasoconstriction. The cascade is initiated by tissue damage and platelet activation which causes the mobilization of the clotting factors in the blood 1, 2.

Antimicrobial efficacy of phage therapy

AMP are also amphipathic compounds with hydrophobic and hydrophilic moieties segregating into different patches on the surface, which allow them to form pores in the cell membrane, increasing the permeability of the membrane and loss of cell content. From the different lantibiotics, nisin binds to lipid II, a precursor lipid >>>

Deryaguin landau verwey overbeek biology essay

Also the increase in the ionic strength leads to a compression of the diffuse layer and reduction in the zeta potential. Significantly, the zeta potential depends on the type of particles, type of medium in which they are dispersed and the type of ion present in the medium [24].

Discovery of cells and the development of cell theory

The antibodies in the immune system are well-known proteins, and they are also the chief constituents of hemoglobin, which does the work of carrying oxygen to all parts of the body. He also made many invaluable examinations on the structure of plants and animals and is renowned for his studies >>>

How the evolution of music consumption would eventually change the ways we occupy and engage with its spaces

Music has come a long way from its origins where it was only capable of being experienced through a "live" performance to what it is now easily accessible and for the most part, unavoidable due to the developments of mass media in the twentieth century. While it is important to >>>

Evolution research paper

Even tough this theory is accepted does not mean that there is evidence supporting it or that there is not a lot of controversy surrounding it. There are many theories with the same basic idea of evolution but the one most people think of when they think of evolution is >>>

Utilizing positive punishment to reduce behavior

It is up to the professionals to determine WHY someone is exhibiting a behavior and then proceed to increase it, reduce it, or eliminate it completely through various interventions. Positive punishment is defined as "the 'weakening' of a response as a function of the individual receiving an aversive stimulus following >>>

Analyze a efficient of algal removal by using biochar

The main aim of the study will to apply biochar prepared from local agroforestry wastes in water treatment and assess the efficiency of the carbons in the removal of algae & algal toxins in water. After 4h of heating, the barrel system will turned off and the sample will allowed >>>

Description of the disease pericardial effusion biology essay

The visceral pericardium is known as the epicardium which is the inner layer that contact with the myocardium of the heart whereas the parietal pericardium is the outer that non contact to the myocardium itself. The function of fibrous pericardium is to enclose the serous pericardium which is composed of >>>


The Future Because of its many uses and its ability to survive in semi-arid conditions, the Baobab survives in the face of man's expansion across the continent. The African baobab tree is also called the "tree of life" as it can store water during the drought season which is sometimes >>>

Agarose gel electrophoresis of dna

By adopting agarose gel electrophoresis, scientists are able to understand the mechanisms behind the separation of DNA fragments within a gel matrix. National Center for Biotechnology Information."Agarose gel electrophoresis for the separation of DNA fragments".Ncbi.nlm.nih.gov 20 April.2012.Web.


The brain in turn responds by limiting the rate of the heartbeat. As a result, the body loses more water in the form of dilute urine.

How does meiosis contribute to human genetic diversity

The word meiosis comes from the Greek word meaning "to diminish", and that is whatmeiosis does: it reduces the number of chromosomes by half, that is, if a cell contains 23pairs of chromosomes before meiosis, after meiosis, the number of chromosomes reducesto 23. Then, the homologous chromosomes separate during anaphase >>>

Investigating the phenomenon of osmosis in plant tissues

The size of the potato pieces needs to be the same in order for the surface to volume ratio to be the same and the initial weight of the pieces should also be the same so that the mass change can be compared. Table 1: Mass measurements of the potato >>>

Using one example of a cellular oncogene, illustrate molecular mechanisms of activation and the consequences for protein function; for this specific example, also provide information about the occurrence in cancer and any current treatments

The oncogene is also involved in the regulation of diverse behaviors of the cell as part of the larger Ras protein super-family. Exchange between these molecules is, in turn, facilitated by GEF and GAP molecules, of which GEF promotes the release of GDP and attachment of GTP to the Ras >>>

Cause of spinal muscular atrophy

The university scientists think that a separate role of the survival motor neuron is likely the cause of Spinal Muscular Atrophy. Spinal Muscular Atrophy is characterized by muscle wasting and weakness that results from the recurring loss of the motor neurons in the spinal cord.

The structure activity relationship biology essay

Marketed under brand names such as Claritin and Alavert, Loratadine is prescribed for the relief of symptoms related to allergic reactions like that of allergic rhinitis and hives. The tablet is of the rapidly dissolving kind so that it is easily absorbed by the body.

Steroids in sports

Steroids in Sports In many places around the world today, sports competitions are increasing in popularity due to the quest to win, to be the best. The use of steroids in baseball has been revealed, and was put out in the open.

Cell biology

Robert Hooke is regarded by many as the father of cell biology as he is credited for discovering the cell. The method of PCR indicates the number of gene copies found in the cell and the process of transfection introduces into a cell an entirely new gene.

Annual review of biochemistry

They bind with the biomolecules and change their shape which results in translocation of the molecules to the other side of the membrane. The energy used can be chemical in nature as from ATP in various protein pumps or electrochemical due to the difference of electrochemical potential across the membrane.

Do we own our cells

This is not what it ought to be because the practitioner's intention in this case was not to advance the field's knowledge but more so to benefit economically without the knowledge of the patient. In addition, confidentiality is a basic principle supposed to be between the practitioner and the patient.

Essay on gender trait chart

The trait is both biological and social. The trait difference is social because both genders are capable of empathy and sensitivity.

Addition of primary antibody biology essay

For the experiments, cells were counted using heamocytometer and a required number of cells were seeded. It was divided into two stages:Pretreatment: The cells undergoing combination studies were pre-treated with 10 M of curcumin and incubated for 6hrs.

Why ctpsyn is in tissues involved, but largely absent from reproductive organs

This ATP-rich environment may be the explanation sought as to why CTPsyn is abundant in the midgut, as the presence of ATP has been proven to influence CTPsyn activity in humans. We suspect that this sudden hike in CTPsyn levels is a direct response to the reactivation of oogenesis.

What is a protein

Define this term, and discuss how covalent catalysis is employed in the reaction mechanism of the serine protease family of enzymes. Collagen: The anatomy of a protein.E.

Lipid metabolic pathway reconstruction in acidithiobacillus ferrooxidans biology essay

The cytoplasmic membrane is a rigid peptidoglycan layer that regulates the passage of metabolites in and out of the cytoplasm. In YANA all the metabolites were classified into external and internal metabolites which were entered in the software and reactions was created for possible enzymes in A.ferrooxidans.

The use of rice bran biology essay

Clobetasol propionate was selected as a model drug to evaluate the influence of the type of vegetable oil on the control of the drug release from LNCs. In this context, the aim of this study was to evaluate the influence of three linoleic acid-rich vegetable oils on the properties of >>>

Delivery systems for nanoconjugated quercetin to target metastatic cancer

Cross linked chitosan-liposome fusion system represents a promising combination of nanovesicles and for delivery of quercetin in to intestine. Dual drug delivery of tamoxifen and quercetin with nanosponges in regulated metabolism has been suggested for anticancer treatment.

Physiology/ writing assignment

What inspired me is how Pawan through his projects was able to improve the eyesight of children thus improving their brains.http://www.ted.com/talks/christopher_decharms_scans_the_brain_in_real_timeChristopher deCharms was a Neuroscientist who carried his study on the brain. According to this talk by Christopher, the most inspiring thing is that the brain can really be controlled >>>

Multicellularity as an evolutionary advance biology essay

These clusters of simple, undifferentiated multicellular organisms can arise by two means: cell division followed by incomplete separation which is common in multicellular organisms with aquatic origin e.g.volvocine algae; or by aggregation of solitary cells which is common in multicellular organisms with terrestrial origin e.g.in social amoebae A study entitled >>>

Light reactions and plant pigments

When the solvent is about 1 cm from the top of the paper, remove the paper and immediately mark the location of the solvent front before it evaporates. Mark the bottom of each pigment band and measure the distance each pigment migrated from the bottom of the pigment origin to >>>

Effects of crossing over in sordaria fimicola

This can be seen through the process of meiosis in Sordaria fimicola because of the effects of crossing over and independent assortment that occur in meiosis I. Next, using the scalpel, a small piece of the samples of S.fimicola had to be sliced and placed in the corresponding spots in >>>


The application of heat is used for sterilization the duration of time and appropriate temperature should be considered to guarantee destruction of all microorganisms. The proper use of disinfectants should be observed carefully by reading the label before use because even if they control the growth of microorganisms it does >>>

Clinical and biochemical characteristics biology essay

The current increase of the incidence of HCC in the prevalence of chronic HCV infection and NAFLD in the world seems be a consequence of the increasing prevalence of obesity and an ageing population. The pathogenic role of occult HBV infection in HCV-related HCC remains to be determined.

Morphology and physiological functions of plants biology essay

Although switchgrass has the ability to grow in a variety of environmental conditions and lower soil fertility, selection of cultivars is an important factor for successful establishment and production in specific environments. The consequences of monoculture in maize and switchgrass are very different in terms of management practices and productivity.

Example of understanding human behavior critical thinking

Humanist theories stress on the importance of individual experience and free will in the development of a person's personality. The different types of stress we encounter include: acute stress, episodic acute stress and chronic stress.

Example of research paper on foster families

The goal of foster families is to provide safety to the child; hence, the requirement to be cleared of any criminal record goes in line with the foster family's objectives. The reference creates confidence in the ability of the foster families to provide the best for the child.

Seed germination

Water is a major trigger in the germination stage, playing a major role also later in the plant's life. Though seeds are not the only way for plants to reproduce, it is one of the easiest to guarantee that the seed will sprout in the rightenvironment.

Main functions of the urinary system biology essay

The start of the process - The mouth: The digestive process begins in the mouth. In the small intestine - After being in the stomach, food enters the duodenum, the first part of the small intestine.

Materials used for product development biology essay

The end of the funnel was closed and 10gm of sample powder was introduced in it. The height of the heap was measured using a scale.

Discuss the events of one cardiac cycle (electrical and mechenical events)

The frequency of the contraction and relaxation of the cardiac muscles is referred to as the heart beat. The first stage of the cardiac cycle is known as the ventricular filling, which involves the flow of blood from the atria to the ventricles.

How mutation causes genetic disorders

Thus, in order for you to inherit the genetic disorder, you have to have two copies of the mutated gene. This is why it is best to diagnose while still in the early stages of the disorder.


It consists of species of plants, microorganisms, animals, the enormous diversity of these genes in these species, the different ecosystem on the planet such as deserts, rainforests and coral reefs are all part of a biologically diverse earth. These all could be coined as "the end of living and the >>>

Evolution of communicative flexibility complexity, creativity, and adaptability in human and animal communication

Because the majority of these insects live on the ground, they are able to use the surface of the soil, for purposes of leaving a trail of pheromone, so that other ants may follow. For example, when the source of food is blocked, an ant will explore new routes, and >>>

Lab report example

The body form between the larva and the pupa from the experiment is entirely different in terms of size and morphology. The presence of chitin is vital in the life of the organism as this feature offers protection and helps in reproduction through molting process.

Bio enzyme lab

2 ml of skim milk and 1ml of the enzyme solutionBubbles3000 Glucose 2. 2 ml of sucrose solution and 1 ml of waterClear liquid Yellow in color no glucose What happens when the enzyme is denatured?

Effect of substrate choice on growth of mealworms essay

The initial mass of the worm to the nearest 0. The data for the class was compiled and analyzed for the two substrates A and B.


Review: Multioscillatory Circadian Organization in a Vertebrate, Iguana iguana The research paper is about the study of circadian systems of multi cellular organisms, the study investigates circadian responses of animals in different situations. To be more specific the study in this research paper is carried out in order to clarify >>>

Gaspari nutrition myofusion – gain big muscles and extreme power

Myofusion is a revolutionary formula that is packed with 9 grams of Essential Amino Acids for better performance, contains 24 grams of pure and high quality protein per serving to build strong muscles and provides a patented Goneden BC 30 which is the responsible of the digestive and immune health >>>