16. Lactose intolerance is the inability to
(A)produce milk protein
(B)digest cellulose
(C) digest milk fats
(D)produce lactose
(E)digest lactose

複選題12. During transmission across a typical chemical synapse, (A)vesicles containing neurotransmitter diffuse to the receiving cell's plasma membrane. (B)neurotransmitter molecules bind to receptors in the receiving cell's plasma membrane. (C) action potentials trigger chemical changes that make the synaptic vesicles fuse with each other. (D)the binding of neurotransmitters to receptors initiates exocytosis. (E)neurotransmitter molecules are stored in the synaptic knob.

13. A thick filament consists of (A)actin and regulatory proteins. (B)actin and myosin. (C) myosin and regulatory filaments. (D)actin. (E)myosin.

14. The synapses between neurons and muscle fibers are called (A)neuromotor junctions. (B)muscle synapses. (C) muscle junctions. (D)neuromuscular junctions. (E)musculoneural junctions.

15.Which of the following statements regarding behavior is true? (A)Fixed action patterns are learned behavior sequences. (B)A learned behavior triggers a fixed action pattern. (C) Innate behaviors are performed the same way in all members of a genus. (D)A fixed action pattern is under strong genetic control. (E)Innate behaviors are not related to genetics.

17. Protein synthesis requires the use of mRNA, which (A)is made in the nucleolus (B)direct the degradation of DNA (C) is not essential to make proteins (D)is translated by the ribosomes (E)direct the replication of DNA

18.Oxygen crosses a plasma membrane by (A)osmosis (B)phagocytosis (C) active transport (D)pinocytosis (E)passive transport

19.During which phase of mitosis does the nuclear envelope re-form and the nucleoli reappear? (A)anaphase (B)metaphase (C) prophase (D)interphase (E)telophase

20.A biological species is defined as a group of organisms that (A)are physically similar (B)are genetically similar (C) share a common ancestor (D)live together (E)can inbreed in nature and produce fertile offspring

1. The primary vegetative organs of plants are: (A)stems, leaves, nodes, and axillary buds. (B) sepals, petals, stamens, and carpels. (C)sporangia, seeds cones, and pollen cones. (D)roots, stems, and leaves. (E)aboveground stems, underground roots, leaves, and flowers.

2. Which of the following is an example of a prokaryotic organism? (A)Plant (B) Animal (C)Bacterium (D)Fungus (E)Protist