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Biology Essays

178 essay samples found

Effect of Exercise on the Rate of Respiration and the Heart Rate

How does increase the number of jumping jacks affect the rate of respiration and the heart rate per minute in teenagers aged 17-18? Background Information: Different types of activity will have a different effect on the rate of respiration as well as the heart rate because of certain factors. These include the level of intensity […]

Pages: 5 Words: 1590 Topics: Cellular Respiration, Chemistry, Health Care

Who Killed Yew Case Study Answers

Introduction The purpose of this case study is to find out the basic process of mitosis, which focuses on the basic cellular processes that occur during each stages of interphase, prophase, prometaphase, metaphase, anaphase, telophase and cytokinesis. Mitosis is the process of cell division. It plays an important part in the life for example to […]

Pages: 5 Words: 1595 Topics: Cell Cycle, Mitosis

The Effect of Sodium Bicarbonate Concentration on the Net Rate of Photosynthesis

During photosynthesis in plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds such as glucose (Lambers & Bassham, 2018). The equation for photosynthesis is: 6CO? + 6H?O + light energy = C?H??O? + 6O?. Without the presence of any one of the reactants, autotrophs […]

Pages: 2 Words: 495 Topics: Chemistry, Photosynthesis

Benefits of Starting School Later

Waking up before 6 in general- for most people is dreadful, so imagine being up at 7:00 to sit in a classroom. Fighting to get out of bed early in the morning is a hassle for a lot of people. School starting times are way too early and should be changed to a later times […]

Pages: 6 Words: 1681 Topics: Adolescence, Human Nature, Sleep, Sleep Deprivation

Respiratory and Circulatory System

The human body is comprised of multiple separate systems that work together to maintain homeostasis, regular, stable internal conditions. The maintenance of internal function depends on a variety of variables: body temperature, fluid balance, concentration of sodium, potassium and calcium ions, and blood sugar levels. The respiratory system is responsible for the function of a […]

Pages: 3 Words: 929 Topics: Anatomy, Circulatory System, Human Anatomy, Human Body, Respiratory System
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Photosynthesis Vs. Cellular Respiration the Major Processess in a Global Balance

There are two key processes that occur in nature to obtain energy, they are photosynthesis and cellular respiration. The derivative of the word photosynthesis is the process in which energy of sunlight is converted by plants to store chemical energy in carbohydrate bonds. Photosynthesis is known to be performed by plants, as is cellular respiration. […]

Pages: 5 Words: 1454 Topics: Biotechnology, Cellular Respiration, Chemistry, Metabolism, Photosynthesis

Photosynthesis Virtual Lab

Hypothesis: all of the colors in the light spectrum are most effective in the growth process of photosynthesis except for green. We tested our hypothesis by plugging in the different colors as well as the different types of plants into the simulation. After running the simulation we gathered the info of the averages in lengths […]

Pages: 1 Words: 444 Topics: Energy, Experiment, Photosynthesis, Plant

What is Sustainability in Business?

The first aspect business looks when thinking about sustainability is the operational aspect and saving cost as it is easy to measure.Most of the resource we are using are non-renewable resources,from our energy need to the consumption of oil.But all these resources are bound to get over in the future.There is a term called peak […]

Pages: 7 Words: 2122 Topics: Corporate Social Responsibility, Economy, Reputation, Social Responsibility, Sustainability, Sustainable Development

The Respiratory System Job

The respiratory system job is to supply oxygen to all parts of the body. Oxygen is carried through the body by red blood cells. The cells in our body need constant oxygen to stay alive. If not, our brain cells will die after four minutes without oxygen. The process known as breathing consist of inhaling […]

Pages: 3 Words: 913 Topics: Respiratory System

Who Owes the Henrietta Lacks Family?

Imagine being in a situation where your tumor cells were used for countless scientific experiments, without your consent. Safeguards today are in place to prevent such a situation, but in 1951 a woman, Henrietta Lacks, and her family found themselves in that very situation. Rebecca Skloot unveiled Henrietta’s story in a book called The Immortal […]

Pages: 2 Words: 515 Topics: Biotechnology, Health, Henrietta Lacks, Medicine

RIP3, an Energy Metabolism Regulator

That Switches TNF-Induced Cell Death from Apoptosis to Necrosis describes steps that led to the discovery of protein kinase receptor-interacting protein 3 (RIP3), a molecular switch that changes TNF-induced cell death from Apoptosis to Necrosis. Necrosis is a caspase independent cell death induced in the presence of caspase inhibitor zVAD and simulation of TNF. Tumor […]

Pages: 2 Words: 628 Topics: Apoptosis, Biotechnology

A Form of Preprogrammed Cell Death

Apoptosis is a form of preprogrammed cell death. It can occur if DNA is too damaged or if a cell is infected and cannot complete its function anymore. There are two pathways to trigger cell death. The extrinsic pathway begins the process through external ligand binding. The intrinsic pathway begins by releasing mitochondrial proteins into […]

Pages: 4 Words: 1332 Topics: Apoptosis, Biotechnology, Cancer

Sustainability Policy

1.Introduction The Sustainability Policy defines the overall Sustainability Practices for the (ORGANISATION) as per the ORGANISATION Sustainability Framework. The purpose of this policy is to support ORGANISATION the most sustainable transport provider in the Middle East. ORGANISATION Policy is aligned with the relevant local and national strategic directions of the UAE. ORGANISATION Sustainability Framework follows […]

Pages: 7 Words: 1954 Topics: Economy, Employment, Policy, Sustainability

Biological Basis of Sexual Orientation: Finding Needle in Haystack

Introduction Sexual orientation is one of the animal kingdom’s most pronounced gender differences. The Overwhelming majority of people are heterosexual with few exceptions: most males want Females as sexual partners and vice versa. Knowing whether someone has a male or female sexual preference is one of the most reliable behavioural predictors of the biological sex […]

Pages: 5 Words: 1576 Topics: Birth order, Gender, Homosexuality, Human Sexuality, Neuroscience, Sex, Sexual Orientation

Our Benefactor: the Healing Honey Bee

“For centuries, our benefactor, the Honey bee, has served a significant role in the life of humans. Honey bees have both fascinated and healed humans in a multitude of ways. In the Upper Paleolithic period, some 25000 years ago, art crafted by the hands of man upon rocks illustrate our ancestors collecting their golden nectar […]

Pages: 6 Words: 1717 Topics: Apoptosis, Cancer, Diabetes, Health, Immune System, Medicine

Combined Analysis of Genes

CDH1 CDH1 which is also known as E-cadherin founds on chromosome 16q22.1 and supports cell–cell adhesion by forming adhesive junctions in epithelial cells for inititating and preserving intercellular adhesion, cell polarirty, intercellular signalling and structure of tissue. There have many reports that emphasize on a fact that CDH1 is being expressed in several types of […]

Pages: 3 Words: 982 Topics: Apoptosis, Biotechnology, Cancer, Genetics

Endangered Species: Turtle Habitat Program

Executive Summary Conservation need: At least five endangered sea turtles habitats are in harm along the Gulf of Mexico and the Savanna, Georgia area. Unfortunately, there are approximately five different species of sea turtles have been lost from roughly over 53 percent of the wetlands that they once inhabitant. Need a custom essay on the […]

Pages: 6 Words: 1853 Topics: Endangered Species, Environmental Impact, Human Nature

Photosynthesis and Energy

Energy is very important and plays a substantial role in life itself, but where does energy come from and how does energy work? Of course, the answer is simple; Photosynthesis. With this reading you will learn what photosynthesis is and how photosynthesis works as well as the energy it creates and how energy is stored […]

Pages: 8 Words: 2444 Topics: Chemistry, Energy, Photosynthesis

Case Respiratory System

1. What are the values for Mary’s tidal volume (TV) and the alveolar ventilation rate (AVR)? (Remember to consider the dead space of 150ml). Normal alveolar ventilation is 4.0-5.0L. How does Mary’s AVR compare with normal volumes? a. Tidal volume= Minute Ventilation Rate divide by respiratory rate (MVR/RR) MVR= 6.1L/min=6100ml?min RR=30bpm TV= 6100/30=203ml b. Alveolar […]

Pages: 3 Words: 856 Topics: Human Anatomy, Nervous System, Respiratory System

HeLa the Immortal Cell

Cells are the basic building blocks of life and make up all living organisms. There are two classifications of cells in every organism called prokaryotes and eukaryotes. A prokaryotic cell composes of single cell organisms like bacteria for example. While, a eukaryotic cell consists of multicellular organisms, the example for that is humans. The human […]

Pages: 6 Words: 1699 Topics: Apoptosis, Biotechnology, Cancer, DNA, Henrietta Lacks

Localization of the MLKL Protein to the Plasma Membrane and how it Affects TNF-induced Necroptosis

“In this study, the authors’ main focus is the MLKL protein properties such as; where it is translocated, what it induces upon translocation, and the possible complexes that if forms. The experiment as whole, shows the MLKL becomes phosphorylated by RIP3 and results in an engagement with the necrosome through its interaction with RIP 3. […]

Pages: 12 Words: 3612 Topics: Apoptosis, Biotechnology, Chemistry, Protein

Essay on Immune System

The immune system as a protection against infections from foreign macromolecules or attacks by organisms, including viruses, bacteria, protozoa and parasites. The immune system also plays a role in resistance to body proteins and other molecules such as those that occur in autoimmunity, and against cells that are aerated into tumors. The ability of the […]

Pages: 6 Words: 1829 Topics: Anatomy, Apoptosis, Immune System, Medicine

Compare and Contrast about Cats and Dogs

 Dogs and cats have several similarities, but even more distinctions. Both animals are easily loved by mankind and will display love and affection in return for good treatment. Some people enjoy the presence of a cat, and others are simply dog lovers. Based on the history, characteristics, and similarities of the two creatures, dogs are […]

Pages: 2 Words: 731 Topics: Animals, Dog, Human, Pet

Hurricanes: how Cities Combat Extreme Weather

The US National Oceanic and Atmospheric Administration (NOAA) concludes a substantial increase in the “intensity, frequency, and duration of North Atlantic hurricanes since the early 1980s, especially for the frequency of Category 4 and 5 hurricanes in the North Atlantic and Indian Oceans. Although the analysis shows no apparent increase of hurricanes on other continents, […]

Pages: 2 Words: 580 Topics: Sustainability

Homeostasis Important

Homeostasis is the relative consistency of the body’s internal environment. Maintain stability while adjusting to conditions that are optimal for survival. What this means is if the body isn’t in a good level of homeostasis then problems or issues occur within the body. Body conditions that must remain within a stable range include body temperatures, […]

Pages: 1 Words: 321 Topics: Circulatory System, Diabetes, Health, Homeostasis, Insulin, Medicine

Diffuse Intrinsic Pontine Gliomas

Introduction/Epidemiology A diffuse intrinsic pontine glioma (DIPG), is a malignant tumor of the pons of the brainstem that originates in the supportive tissue called the glia. Specifically, these tumors are diffuse astrocytomas meaning that the tumor develops from astroglial cells of the brain stem. This tumor accounts for about 10%-20% of all brain tumors in […]

Pages: 11 Words: 3372 Topics: Apoptosis, Biotechnology, Cancer, Genetics, Immune System

Why the Concept of Race is not Biologically Supported?

The concept of race is not supported biologically nor can humans be naturally divided into racial categories. Humans are biologically different; however, do not fall in racial groups nor are biological units (Fuentes 2012, 73). The ABO system, Human Genome Project, and Ancestry Informative Markers explains how and why the concept of race is not […]

Pages: 3 Words: 1006 Topics: Brown V. Board Of Education, Critical Theory, Genetics, NAACP, Racial Segregation

Programmed Cell Death (Apoptosis)

Apoptosis is an event in which a cell is programmed and specifically sentenced to death. It happens naturally in the body. Apoptosis in greek means to fall off, and that’s one way to think about it. It’s as if one, or a few chosen cells are falling off a cliff, while the rest keep working. […]

Pages: 2 Words: 474 Topics: Anatomy, Apoptosis, Biotechnology, Medicine

Business Expansion and Sustainability

The process of recruiting and selecting employees enables an organization to get qualified candidates who execute their set goals and objectives (Bagga & Srivastava, 2014). It is therefore important to select the candidates carefully to ensure that they are not only competent but possesses the right skills to perform the responsibilities outlined in the job […]

Pages: 6 Words: 1914 Topics: Child Care, Employment, Sustainability, Work

About Senescent Cells

Senescent cells are somatic cells, other than reproductive cells, that can no longer divide, but are resistant to apoptosis (Scudellari, 2017). Although these cells have no use, they do not die off, which gives them their trivial name of “zombie cells”. Zombie cells can exist in various parts of the body, and they all have […]

Pages: 6 Words: 1850 Topics: Apoptosis, Biotechnology, Genetics
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