ESSAY QUESTIONS FOR THE BIO 10 FINAL EXAM You may use your lecture notes, books,
ID: 85044 • Letter: E
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ESSAY QUESTIONS FOR THE BIO 10 FINAL EXAM You may use your lecture notes, books, or online resources to help you answer the following questions. Answers should be in your own words. Answers copied from another student will receive zero credit. On the back of this page are four biology terms we discussed in class. Each term indicates a specific biological structure or process. Below each term write a few sentences relating that structure or process to ONE OF THE EIGHTCHARACTERISTICS OF LIFE we discussed at the beginning of the semester. Be sure to mention WHICH characteristic of life is supported by that structure or process, and exactly HOW OR WHY that structure or process is necessary for that life characteristic. Your answers must be SPECIFIC and ACCURATE for full credit. Each answer is worth two points. Each question has more than one correct answer. One example is given below for clarity. SAMPLE QUESTION AND ANSWER: Term: Mitochondria zero Credit Answer: Without mitochondria living things can't move. This answer is accurate but itdoesn't specifically mention which one of the eight life characteristics is supported by mitochondria, and it doesn't describe How the mitochondria support this process Full Credit Answer: Mitochondria are necessary for the motility characteristic of life For life forms to move on their own they need to use the energy stored in ATP molecules. Mitochondria release energy from food molecules and store that energy in ATP. Some of that ATP is used for motility. This answer is specific and accurate ESSAY QUESTION TERMs ARE ON THE BACK oF THIS PAGEExplanation / Answer
10) Nutrition and Growth Photosynthesis is the process of collect energy and converting it into a chemical substances for the benefit of the plant. By the process of photosynthesis, plants change from light energy to sugars, using hydrogen and carbon, producing glucose, and putting off oxygen . Animals make use of plants as food, or eat other animals that once ate plants as food, but don't transform light into food themselves. Growth requires an organism to take in material from the environment and arrange the material into its own structures. To complete growth, an organism expends some of the energy it acquires during metabolism.
11) Reproduction The ability to produce new individual organisms, either asexually (from a single parent organism) or sexually( from two parent organisms). The characteristics an organism inherit are stored in cells as genetic information of deoxyribonucleic acid (DNA). The formation of a new cell involves the synthesis of many constituents that were present in the parent cell. All of the information and materials necessary for a cell to reproduce itself must be supplied by the cellular constituents and the DNA inherited from the parent cell.
12) Development and growth The number of cells within an organism increases by mitosis. This is the basis of the development of a multicellular body from a single cell, i.e., zygote and also the basis of the growth of a multicellur body. Cells grow to a certain size and then divide, An organism gets larger as the number of its cells increases by the process of mitosis.
13) Physiological process; control and coordination Cells have proteins called receptors that bind to signaling molecules and start a physiological response, and bind to signaling molecules outside the cell and then transmit the signal through a sequence of molecular switches to internal signaling pathways.Receptor proteins may be enzymes or serve to relay the occurrence of signal reception in other ways such as by opening up ion channels ( with neurotransmitter reception by a postsynaptic neuron). Receptor proteins are targets for drug action. These drugs either motivate the receptors upon binding or, block the binding of receptors. These drugs acts more or less equivalently to the action of competitive inhibitors on an enzyme's active site though blocking binding by normal signaling molecules rather than a site of catalysis.
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