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• 3. A cell secretes a signal molecule that affects neighboring cells. What is thetype of signaling?(A
• 4. What is the mechanism by which testosterone functions inside a cell?(A) It acts as a signal recep
• 5. Please identify which of the following structures is not haploid?(A)sporangium (B) archegonia (C)
• 6. What is the correct order of plant evolution?(A) secondary cell wall → independent gametophytes →
• 7. Spermatogenesis and oogenesis are different in that(A) Spermatogenesis produces four sperm and oo
• 8. There is a mutated flower that only contains sepals and petals. According toABC model for floral
• 9. The major difference between a typical C4 plant and a C3 plant, is that(A) The C3 plant has a sma
• 10. Motor proteins require which of the following structures or molecules tofunction in the movement
• 11. Which of the following amino acids are most frequently phosphorylated byprotein kinases in the c
• 12. Which of these characteristics contributed the most to vertebrate success inrelatively dry envir
• 13. Resting potential is mostly dependent on which two of the following ionchannels?1. Na+/K+ pumps;
• 14. Which of the following descriptions is true for the taste receptors?(A) There are four major typ
• 15. The mature leaves of tomato plants that I grew in my backyard turn darkpurple. What kind of mine
• 16. The slow block to polyspermy during fertilization are dependent on(A) the entrance of potassium
• 17. Crossing over of chromosomes normally takes place during which of thefollowing processes?(A) mei
• 18. Cellular respiration(A) occurs only in animal cells because plants carry on photosynthesis(B) is
• 19. Which statement regarding plant auxin is correct?(A) It is synthesized in active growing cells a
• 20. The end product of glycolysis is(A)acetyl-CoA (B) citrate (C) pyruvate (D) oxaloacetate (E) oxyg
• 21. During the Krebs cycle,(A)electrons and H+ are transferred to coenzymes NAD+ and FAD(B) substrat
• 22. Which statement about how some plants benefit from the presence of soilmicrobes is correct?(A) T
• 23. Fermentation(A) produces more ATP than is liberated in the hydrogen transfer series(B) may occur
• 24. Which of the following sequences is most likely as a restriction site?(A)5 ' -AATTCT-3'
• 25. Which defensive chemical is incorrectly paired with a function?(A) antibodies—pathogen neutraliz
• 26. Which part is not required for the feeling of hearing or equilibrium inhumans?(A)utricle (B) ves
• 27. Based on the acid growth model of cell expansion in the plant, whichstatement is correct?(A) Pro