I.【單選題】1-50 題，每題 1 分，共計 50 分。答錯 1 題倒扣 0.25 分，倒扣至本大題零分為止，未作答，不給分亦不扣分。1. Most of the neurons in the hu
2. Which is the most common route through which a protein is secreted from a eukaryotic cell?(A) pla
3. Movement of integral membrane proteins between the apical and basolateral domains of an epithelia
4. Which of the following statements about feedback inhibition in metabolic pathways is most correct
5. Which is NOT a microtubule-organizing center (MTOC)?(A) centrosome (B) basal body of cilia (C) mi
6. An mRNA sequence is 5’-AUG-GGC-ACU-CAU-ACU-UAA-3’, where AUG is the start codon and UAA is the st
7. Self-splicing of group II introns is similar to nuclear pre-mRNA splicing because(A) both need sn
8. Assuming a fat molecule can be oxidized into 2 glycerol molecules, which are then converted togly
9. Which of the following proteins is NOT a component of focal adhesions?(A) cadherins (B) integrins
10. Why is there a need to produce Okazaki fragments on the lagging strand, but NOT on the leading s
11. When observing the skeleton of a snake, you see the remains of hip and hind leg bones associated
12. The group of protists to which humans are most closely related is:(A) Rhizaria. (B) the choanofl
13. Which of the following is NOT a defining trait of the phylum Chordata?(A) notochord (B) dorsal h
14. The physiologist J. Soum surgically sealed off an air sac of a pigeon and injected carbon monoxi
15. Humans cannot survive at sea by drinking salt water. However, marine vertebrates such as sea tur
16. Which of the following is NOT a feature of apoptosis?(A) formation of apoptotic body (B) DNA fra
19. Which of the following components and conditions increases membrane fluidity?(A) phospholipids w
20. A 400-bp covalently closed circular DNA with a linking number of 35 has 5 negative supercoils. W
21. When a cell releases a signal molecule into the environment and a number of cells in the immedia