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Biological Sciences Essay Examples

Biology Virtual Lab- Parts of a Flower

Tip of the stamen that produces pollen containing sperm| Filament| Slender stalklike part of the stamer that supports the anther| Ovary| Swollen base of the pistil that contains the ovules| Ovule| eggs that develop into seeds after they are fertilized| Petals| Colorful leaflike parts that attract insects and other animals for pollination| Pistil| Structure that…

Phytochemical Analysis of Amaranthus Viridis L.

A Biological Research Submitted to the Research Center Alabel National Science High School Regional Science High School for Region XII Alabel, Sarangani Province Submitted by: Shaira Mae M. Yamon Fourth Year- Diamond Submitted to: SHIELA P. BUTIL, Ph. D. Research Adviser August 5, 2013 ? Chapter I Introduction A. Background of the Study Amaranth (Amaranthus)…

bio lab pill bug

What are the Effect of Different Environments and the Movement of Pill Bugs? Purpose: The purpose of this lab was to analyze pill bugs activity in different environments and determine the effect of wet/dry or dark/light environments have on them and how taxis takes place in their choices in living in areas. Background information: Terrestrial…

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Hibiscus rosa-sinensis Essay

The species of hibiscus which seems to hold the greatest figure of discrepancies is Hibiscus rosa sinensis. These workss appear to hold countless fluctuations in coloring material and form in both individual and dual signifiers. due to the involvement in these workss by early hibiscus enthusiasts who hybridised Hibiscus rosa-sinensis with other compatible species. Ross…

How temperature will effect the speed in which the enzyme Catalase will react with Hydrogen Peroxide

Individual enzymes are named by adding ase to the name of the substrate with which they react. The enzyme that controls urea decomposition is called urease; those that control protein hydrolyses are known as proteinases. Some enzymes, such as the proteinases trypsin and pepsin, retain the names used before this nomenclature was adopted. * They…

Septic Shock

In this essay septic shock and Its complications will be analyzed wealth the Immunological, gastrointestinal, cardiovascular, respiratory and renal (Including the acid-base) systems. This essay will contain the general discussion of homeostasis and will study the homeostasis responses to septic shock In each system. Sepsis and Septic Shock sepsis may be defined as the state…

Nature, Nurture, and Human Diversity

What makes you, you? Is who we are the result of our genes (nature) or is it the result of our upbringing (nurture)? Nature: the result of our genes Nurture: everything else other than genes, the culture you were brought up in, the country and family you were brought up In, the school you went…

The Pygmy Chain Sword Plants

Understanding the process of photosynthesis is also vital in other areas, such as medicine, agriculture, energy production, and even electronics. In medicine, since light has extremely high energy content, sometimes it can cause damage to living organisms such as skin cancer and skin aging. To combat the high-energy content, plants developed photoprotective mechanisms to limit…

Neuromuscular Junction: Self-Quiz Answers

Chapter 1 great review of the basic anatomical areas of the body 1. Metabolism, anabolism, catabolism 2. ICF, ECF 3. True 4. False 5. False 6. Parasagittal 7. D, effectors 8. A, differentiation 9. C, hypogastric 10. C, 3 11. Axillary-armpit, inguinal-groin, cervical-neck, cranial-skull, oral-mouth, brachial-arm, orbital-eye, gluteal-buttock, buccal-cheek, cixal-hip 12. 1 superior, 12 superficial,…

Twitch Muscle Fibers

muscle contraction Introduction For a skeletal muscle fiber to contract, a stimulus must be applied to it. The stimulus is delivered by a nerve cell, or neuron. A neuron has a threadlike process called and axon that my run 91 cm or more to a muscle. A bundle of such fibers from man different neurons…

Compare and Contrast Vertebrate and Invertebrate Vision

Although vertebrates and invertebrates originally evolved from a common ancestral root, both have developed very different physical utilities for vision. Both are fairly effective and have taken many millions of years to evolve. They contain many common underlying mechanisms but differ in the features used to provide them. The definition of an eye is ‘an…

Cardiovascular System, Study Guide

Chapter 18 The Circulatory System: Blood True / False Questions 1. Hemostasis is the production of formed elements of blood. Difficulty Level: Remember/Understand Section: 18. 1 Introduction Topic: Cardiovascular System 2. Blood viscosity stems mainly from electrolytes and monomers dissolved in plasma. Difficulty Level: Remember/Understand Section: 18. 1 Introduction Topic: Cardiovascular System 3. Lymphoid hemopoiesis…

Theory of Spontaneous Origin and Biogenesis

INTRODUCTION Robert. C. Gallagher once said: “Change is inevitable- except from a vending machine. ” “Change” is the word the practically governs our world today. Everything is slowly and gradually changing, new technologies and opportunities boosting everywhere. But the underlying question which we all wishfully choose to ignore is “All the changes happening is for…

Ames Test

The Spot-Overlay Ames Test was used in the lab to find the mutagenesis of Diet Coke and ThermaFlu. Along with these substances three mutant strains of salmonella were also tested. TA 1535, TA 1537, TA 1538 all lacked the ability to grow the amino acid histidine unless reverted back by the potential mutagens. After the…

Protein and Skill

The Structure and Function of Large Biological Molecules In Chapter 5, the principles of chemistry covered in earlier chapters are applied to the understanding of biological polymers and lipid membranes. The emphasis is on properly linking monomers and their polymers, and on the structural and functional diversity of the different polymer types. Particular attention is…

Effect of Environment on Phenotype

To investigate the effect of one environmental factor on the phenotype of pea plants Background Information: Pea seeds are available with identical genetic information for height – tall or dwarf peas. These seeds can be used to demonstrate the effect of the environment on the final height of the pea plants. Tall or dwarf peas…

Medical Terminology plus

Medial Imaginary midline dividing the body into equal right and left halves Lateral lyig at or extending toward the right or left side intermediate between a more medial and a more lateral structure Proximal Closer to trunk Distal Farther from the trunk Superficial near the outer surface Deep Further away from the surface Frontal or…

Biology Practical to Study the Osmosis Effects of Sucrose

The plant cells used in the experiment are potato and Chinese radish tissues that are used as chips because the results and changes are easy to note and record in this way. As plant cell membranes are differently ramble, different results are expected from the Chinese radish and potato chips in the same conditions; this…

Power Phys

Controlled Variables Frequency of stimulation Type Of neuron Experiment 2: Effect of Frequency of Stimulation on Action Potential Generation 1. Dependent Variable Frequency to stimulation Type of neuron Stimulus Strength (voltage) 4. Which part Of the neuron was stimulated? Action potential is first generated in the dendrites of the neuron, or where the neuron receives…

Eukaryotic Cell Lab Report

Eukaryotic cells have a nucleus, cytoplasm, and a plasma membrane surrounding the cell. The typical plant cell has in addition a cell wall, a rigid structure made up of cellulose that surrounds the plasma membrane. Most animal cells are mostly filled with cytoplasm, whereas the plant cell has much of its volume taken up by…

Micro Unknown Lab Report

The rationale of performing these tests was to distinguish six different microbes room one another and to compare how their metabolic and biochemical processes differ from species to species to determine the unknown sample. The tests included: Triple sugar iron agar (TSAR), the Sulfide Indolent Mobility (SIMI) test, Glucose fermentation, the Methyl Red test, the…

Unknown Microbiology Lab Report

Materials and Methods A mixed culture of two unknown bacteria was provided by the instructor. The methods used for identification of the two unknown bacteria were in the laboratory manual by Dry. Floyd and Dry. Kennedy (1) unless otherwise noted. The first step that was used was a three streak method, described in Lab 4,…

Photosynthesis Formal Lab Report

This captured energy is used to convert carbon dioxide into complex energy-rich molecules that can be used by themselves or other organisms. “Photosynthesis is the conversion of light energy to chemical energy in the form of sugar and other organic molecules. ” (Russell, Wolfe, Hertz, & Starr, 2010). Photosynthesis can be categorized into two main…

Hemolysis Lab Report

Organisms also have white blood cells, also referred to as leukocytes, which mamba foreign antibodies in the immune system. White blood cells are complex in structure, and in contrast to red blood cells, have a nucleus. They include such cells as lymphocytes, monocot’s, sinkholes, interruptions and basophilic. While some cells such as lymphocytes make antibodies,…

Neuro Lab Report

We no longer observed an increase in peak of action potential trace at the 3. 5 Voltage. Activity 2-4: 1. What did you observe when the glass rod contacted the nerve? The glass rod contacted the nerve there was an instant deflection of the line. There was action potential on the oscilloscope. When 1. How…

Biology Lab Report Connective Tissue

Muscle tissue: It is in charge of the contractive action or movement of the body. It can be attached to bone, internal organs and blood vessels. Due to this contraction it performs other actions such as posture, joint stability and heat production. There are 3 types of muscle tissue. * Skeletal muscle: It is composed…

Genetics: Test Questions

Name: ________________________ Class: ___________________ Date: __________ ID: A Genetics test questions Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Pea plants were particularly well suited for use in Mendel’s breeding experiments for all of the following reasons except that a. peas show easily observed…

Cell Membrane Lab Report

Time (min) Total Diameter (mm) Distance of Diffusion * (mm) Rate (mm/min) * 15 30 45 Potassium Permanganate 5 Celsius Methyl Blue 5 Celsius Total Diameter (mm) Distance diffused = diameter of each reading minus initial diameter Rate – distance in mm/elapsed time (min) Double click the chart below. A spreadsheet will open. Enter the…

Enzymes Lab Report

The size, the smell, the color? Most of us WOUld have to say that if they grabbed an apple that had a bruised body, they would return that apple to the pile in search for that perfect skinned apple. This is why studying catechist oxides is so important! Let’s take a look at population numbers…

Circadian Rhythm

Circadian Rhythm As Wikipedia defined it, circadian rhythm is a 24-hour cycle which is involved in physiological processes of living beings such as plants, animals, fungi and cyanobacteria. Circadian literally means about a day; the words originated from the the latin terms “circa” (around) and “dies” (day).  From Howard Hughes Lecture (HHL) 0 in circadian…

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