Bio Exam 3

Bio Exam 3 - Antonio Alarcon Bio 3 Answer Key 08/21/07 1....

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Antonio Alarcon Bio 3 Answer Key 08/21/07 1. 2. Maintaning homeostasis – Consists of maintaining internal bodily conditions within tolerable limits (depends on the dynamic action and interaction of a number of body systems. Regulates factors such as temperature, salinity, acidity, plus nutrient and waste balances 3. Tracheophyte – Also known as vascular plants, have specialized tissues for conducting water, minerals, and photosynthetic products Fungus – Kingdom of eukaryotic organisms. Are heterotrophic organisms characterized by a chitinous cell wall. Some species grow as single cells (both asexual and sexual reproduction is via spores) Protist – Unicellular, or multicellular without highly specialized tissues; eukaryotic 4. (See Bio Exam 3)
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5. 3 – The mitochondria is an exception to the cell theory because it contains genetic material and can reproduce within the cell (Plant cell) (Animal cell)
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6. It does not contain carbon – Inorganic compounds do NOT contain carbon (H 2 O) 7. Enzymes – Enzymes ned to denature at high temperature and have optimal ranges for action 8. Replication – The process of copying a double stranded DNA molecule Phagocytes/ Endocytosis – Cellular process of engulfing solid particles by the cell membrane to form an internal phagosome 9. 1 – Glucose molecules produced by green plants can be converted into startch by dehydration synthesis and stored in roots 10. (See Bio Exam 2 #9) Chemical and extracellular 11. 1 – The plasma membrane is a phospholipid bilayer (with protein attached segments) 12. (See Bio Exam 3 #3) 13. (See Bio Exam 3) 14. 3 – Human skeletal muscles, and some bacteria, preform autotrophic nutrition when food becomes scare in the enviornment 15. (See Bio Exam 3) 16. Sensory nerve – Nerves that receive sensory stimuli An effector – An organ of the body, either a muscle or a gland, that responds to a motor neuron impulse A ganglion – Tissue mass, which is composed mailnly of somata and dendritic structures. Othfen interconnect with eachother to form a complex system of ganglia known as a plexus A tympanum – Eardrum 17. (See Bio Exam 3) Energy is released when ATP is cleaved to form ADP
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18. 4 – The cells in the stems of plants carry on respiration and exchange gases through lenticels 19. (See Bio Exam 3) 20. (See Bio Exam 1 #14) 21. (See Bio Exam 3, 2 #21) 22. (See Bio Exam 3, 2 #18) 23. Liver and Pancreas – Both the liver and pancreas are structures that secrete chemicals utilized for the completion of digestion in the small intestine 24. (See Bio Exam 3) Never in a vein, a vein has near to little or no blood pressure, movement by the means of valves 25. A – Trachea B – Primary bronchi C – Lung D – Diaphragm, contracts causing pressure change 26. 2 – The nephron is located in the kidney, an organ that filers wastes from the blood and excretes them along with water as urine, thus regulating the chemical composition of the blood 27. Circulatory – The circulatory system is responsible for tansporting hormones
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Bio Exam 3 - Antonio Alarcon Bio 3 Answer Key 08/21/07 1....

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