BISC101 Mock Final Exam

BISC101 Mock Final Exam

BISC101 Mock Final Exam Part1:Trueorfalse 1. Cellular respiration is an anabolic pathway 2. In redox reactions, electrons may just shift positions on the same molecule 3. NAD+ is an example of a good electron carrier 4. The net yield of ATP per glucose in glycolysis is 4 ATP 5. The citric acid cycle occurs in the inner mitochondrial membrane 6. Surface area to volume ratio decreases as an animal gets larger 7. Conformers are organisms whose internal (body) environment changes with change in external environment 8. The hindgut in insects is where water and useful solutes are reabsorbed 9. The ascending loop of Henle is permeable to water 10. All urea is excreted in human urine 11. Mosquitoes are examples of substrate-feeders 12. The digestive tract is an example of intracellular digestion 13. Animals "breathing" in water use bi-directional flow 14. In fish, water flowsthrough lamellae in opposite direction to blood flow 15. Oxygen is less soluble in the blood than CO2 16. Calcium is the metal ion that can be found in hemoglobin 17. The contraction phase of the cardiac cycle is called systole 18. Humans and other mammals have an open circulatory system 19. Fever is a localized inflammatory response 20. Immunization introduces antigens into the body 21. The anterior pituitary releases ADH 22. Astrocytes are glial cells that provide structural support 23. Graded potentials occur when there is a small change in membrane potential where magnitude varies with the size of the stimulus 24. Depolarization occurs with K+ voltage-gated channels open 25. The afferent division of the PNS transmits motor information 26. Sympathetic nerves stimulate a "fight or flight" response 27. Memorization involves neurons making new connections 28. The somatic nervous system stimulates smooth muscle 29. There is no difference in action potentials coming from your eyes, nose or ears. Part2:ShortAnswer 1. Name one potential reason why cellular respiration occurs in a series of small steps. (1 point)