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    Cycles in Biology

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    A cycle is defined as any complete round or series of occurrences that repeats or is repeated in the same order and at the same intervals. The natural existence of cycles is highly important without cycles resources would run out and organisms would die. The amount of carbon nitrogen and oxygen on the earth is fixed‚ they can exists in different forms but no more may be added. So that these don’t run out they are cycles so they may be reused. Photosynthesis and respiration are the reverse of each

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    Basics of Biology

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    Microorganisms: * Small living organisms; there are 3 types * Bacteria – ecoli‚ salmonella * Fungi – mushrooms‚ athletes foot * Virus – influenza (flu)‚ HIV * When they enter our body‚ they multiply and release toxins / harmful chemicals into our blood * They duplicate every 20 minutes * Physical barriers: eyelashes prevent MO’s from entering through our eyes‚ nasal hairs reduce them‚ skin is a barrier to them (although they can enter through cuts)‚ chemicals in tears

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    biology cape

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    CELLS All living things are made of cells‚ and cells are the smallest units that can be alive. Life on Earth is classified into five kingdoms‚ and they each have their own characteristic kind of cell. However the biggest division is between the cells of the prokaryote kingdom (the bacteria) and those of the other four kingdoms (animals‚ plants‚ fungi and protoctista)‚ which are all eukaryotic cells. Prokaryotic cells are smaller and simpler than eukaryotic cells‚ and do not have a nucleus. Prokaryote

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    Biology: Biochemistry

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    Jordan Wong Schiefer Acc Bio Block 6 11/15/12 Unit 4 Biochemistry relates to all things living because biochemistry makes up everything living. The atoms that make up the cells within our body are a part of biochemistry. There is carbon in every living thing and carbon based molecules are a part of biochemistry. Unit 4 describes the biochemistry in all living things. It explains the atomic structure and ions‚ properties of water and pH‚ organic molecules‚ chemical reactions and enzymes.

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    Biology Questions

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    1. What are the characteristics of a living organism? 2. How do you determine the TOTAL magnification of the field of view of a microscope? 3. What is homeostasis? How is homeostasis important to the survival of an organism? How is homeostasis maintained in a human? 4. What is the difference between diffusion and osmosis? 5. Define osmosis‚ hypertonic‚ hypotonic‚ isotonic solutions 6. What happens if you have a high concentration of salt water on the outside of the egg‚ yet there is very little

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    BIOLOGY ESSAY

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    As humans‚ we are the most dominant species in the world. We have the ability to walk upright‚ grasping thumbs‚ and large brains. This helps us to live and be successful on earth. But‚ these advantages we have didn’t happen overnight‚ they occurred during the hominine evolution. The skull‚ neck‚ spiral column‚ hip bones‚ and leg bones of the early hominine species changed shape in ways that later enabled species to walk upright. The evolution of dipedal‚ or two-footed‚ locomotion was very important

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    Biology Questions

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    BIO 169 Ch. 20 S.G. Name: __________________________ Date: _____________ 1. The anatomical region found between the lungs that extends from the sternum to the vertebral column and from the first rib to the diaphragm. A) Epicardium B) Abdominal cavity C) Pericardium D) Mediastinum E) Thoracic cavity 2. The membrane that surrounds and protects the heart is called the A) pericardium. B) pleura. C) myocardium. D) mediastinum. E) endocardium. 3. The apex of the heart is normally pointed

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    Themes of Biology

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    Leaf anatomy‚ food for plants and animals‚ plant functions‚ and plant and animal cells are all subjects that were highly mentioned throughout the first quarter. The theme of Energy Transfer is prominent in all of these topics. The Interdependence in Nature is also a theme that comes up especially in plant functions‚ plant and animal cells‚ and leaf anatomy. Although there were many different sub-themes after many experiments‚ research‚ and discussion in class‚ I find that the two main themes that

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    Chemistry and Biology

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    CHAPTER 7 LIMITS AND CONTINUITY Focus on Exam 7 1 (a) |x + 3| = { -x - 3‚ x < -3‚ x + 3‚ x ≥ -3. (x + 1)(-x - 3) x+3 = -x - 1 (x + 1)(x + 3) For x ≥ -3‚ f (x) = x+3 =x+1 Hence‚ in the non-modulus form‚ -x - 1‚ x < -3‚ f (x) = x + 1‚ x ≥ -3. For x < -3‚ f (x) = { (b) The graph of f(x) is as shown below. y = −x − 3 y 2 y=x+1 1 −3 −2 −1 x O −1 −2 (c) lim f (x) = 2 x → -3- lim f (x) = -2 x → -3+ (d) lim f (x) does not exist

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    Biology presentation

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    Introduction Good Morning Everyone. My name is and this is ‚ and . We will be presenting to you on how Light affects gene expression with focus on Maize leaves. This is an unrelated but neat photo of gem corn which is produced as a result of selective breeding. Anyways‚ most plants require light in order to grow and conduct photosynthesis. Plants that have been previously grown in the dark are incapable of photosynthesis since they lack chlorophyll and many polypeptides needed for light harvesting

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