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Biology

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Anatomy Coloring Book

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Chapter One: Introduction ANATOMICAL POSITION AND TERMS OF DIRECTION f.__ e _ )( 1) I, \ V I b.__ a. _ h.___ 1. _ ). ....lII('---:-----':----;-~.k.-- e. _ g._----- a. _ b.__ When studying the human body it is important to place the body in anatomical position. Anatomical position is described as the body facing you, feet placed together and flat on the floor. The head is held erect, arms straight by the side with palms facing forward. All references to the body are made as if the body is in this position so when you describe something as being above something else it is always with respect to the body being in anatomical position. The relative position of the parts of the human body has specific terms. Superior means above while inferior means below. Medial refers

Unit 1

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? CHAPTER 1: AN INTRODUCTION TO BIOLOGY ? What is Biology? ? The scientific study of life. ? What does it mean to be alive? ? Some Characteristics of Life 1. Cells and organization 2. Metabolism (energy use) 3. Homeostasis 4. Reproduction, growth and development 5. Evolution ? Levels of Organization 1. Atoms 2. Molecules and macromolecules 3. Organelles 4. Cells 5. Tissues 6. Organs 7. Organ Systems 8. Organism 9. Population 10. Community 11. Ecosystem 12. Biosphere ? Unity and Diversity ? Evolution ? changes in the genetic material of species over time ? Vertical and horizontal evolution ? Classification - Taxonomy ? Grouping of species based on common ancestry ? 3 Domains (broadest categories)

How do cells divide?

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How do cells divide? There are two types of cell division: mitosis and meiosis. Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells. Meiosis is the type of cell division that creates egg and sperm cells. Mitosis is a fundamental process for life. During mitosis, a cell duplicates all of its contents, including its chromosomes, and splits to form two identical daughter cells. Because this process is so critical, the steps of mitosis are carefully controlled by a number of genes. When mitosis is not regulated correctly, health problems such as cancer can result.

Ground Rules of Metabolism

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Catalase
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Growing Old with Molecular Mayhem A. The enzymes superoxide dismutase and catalase work together to rid the body’s cells of damaging free radicals. B.As people age, their capacity to produce functional enzymes begins to falter. I. Energy and the Underlying Organization of Life A. Defining Energy 1.Potential energy is the capacity to make things happen, to do work; it can also be called chemical energy, measured in kilocalories. 2.Kinetic energy is the energy of motion; it includes heat energy. 3.Metabolism refers to the cell’s capacity to acquire energy and use it to build, store, break apart, and eliminate substances in controlled ways. B. How Much Energy Is Available?

Brassica rapa Lab

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Conclusion: I accept my null hypothesis for the cross between wild type P and non-purple P, wild type P and yellow-green P, and wild type P and non-purple yellow-green P Brassica rapa. Discussion: We accepted all three null hypotheses, determining there was no statistically significant difference between the expected phenotypic ratio of 3:1 in the monohybrid crosses and 9:3:3:1 in the dihybrid cross and the ratios that we observed. Using this information, we can conclude that the F1 generation of Brassica rapa that we initially planted were heterozygous.

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