43. Which part of a bone contains red bone marrow?
(A) compact bone
(B) fibrous connective tissue
(C) spongy bone
(D) yellow bone marrow
(E) fatty tissue

39. One neurotransmitter associated with sleep, mood, attention, and learning is (A) acetylcholine. (B) nitric oxide. (C) epinephrine. (D) serotonin. (E) melatonin.

40. Which results from stimulation by the parasympathetic nervous system? (A) increased heart rate (B) inhibition of the digestive organs (C) inhibition of urination (D) stimulation of saliva secretion (E) inhibition of saliva secretion

41. Which list correctly orders the structures within the ear as they transfer a sound wave during hearing? (A) eardrum, hammer, anvil, stirrup, oval window, auditory canal (B) eardrum, stirrup, hammer, anvil, oval window, auditory canal (C) auditory canal, eardrum, hammer, stirrup, anvil, oval window (D) auditory canal, eardrum, stirrup, hammer, anvil, oval window (E) auditory canal, eardrum, hammer, anvil, stirrup, oval window

42. Which of the following characteristics is referred to HIV, but not other viruses. (A) 2 copies of RNA molecules (B) reverse transcription (C) enveloped virus (D) A+B (E) all are correct

複選題44. Which statement best describes the power stroke of muscle contraction? (A) The myosin head bends, pulling the thick filament toward the center of the sarcomere. (B) The myosin head bends, pushing the thin filament toward the center of the sarcomere. (C) The actin head bends, pulling the thin filament toward the center of the sarcomere. (D) The actin head bends, pulling the thick filament toward the center of the sarcomere. (E) The myosin head bends, pulling the thin filament toward the center of the sarcomere.

45. which of the following about gram-positive and gram-negative bacteria is True? (A) gram-negative bacteria have more peptidoglycan in their cell walls. (B) gram-positive bacteria have fimbriae but gram-negative bacteria do not. (C) certain bacteria are not gram-positive or gram-negative. (D) only gram-negative bacteria can form capsules. (E) endotoxin is existed in Gram-positive bacteria

46. What is the plant hormone which is produced in roots and promote the attraction of mycorrhizal fungi to roots? (A) brassinosteroids (B) jasmonates (C) strigolactones (D) abscisic acid (E) gibberellins

47. urine flows from the collecting duct to (A) ureter (B) urethra (C) capsule (D) glomerulus (E) renal pelvis

48. A torpor for animals to survive long period of high temperature and water scarcity. (A) hibernation (B) estivation (C) adaptation (D) thermoregulation (E) acclimatization

49. Which of the following is a TRUE statement about virus (A) all viruses have capsid and membrane envelope (B) only retrovirus can reversely transcribe RNA to DNA (C) RNA viruses can serve as a template for DNA synthesis (D) only bacteriophages have lysogenic cycle (E) virulent phage breaks open host cell wall for phage assembly