Vitamin D is really a hormone.
a. true
b. false
Ans: a. true
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Which of the following is not a shape seen in prokaryotes?
A. Spheres B. Rods C. Spirals D. Icosahedrals
Which of the following cell junctions are responsible for allowing the bladder lining to stretch, thus
accommodating increasing volumes of urine?
a. anchoring junctions b. gap junctions c. tight junctions d. anchoring junctions and gap junctions e. anchoring junctions, tight junctions and gap junctions
Which statement most completely describes why the pea plant was an excellent choice for Mendel's experiments?
a. True-breeding varieties were available. b. The plant can self-fertilize. c. The plant can be cross-fertilized. d. True-breeding varieties were available, and it can be cross-fertilized. e. True-breeding varieties were available, the plant can self-fertilize, and it can be cross-fertilized.
During an infection, white blood cells travel to the infected site and phagocytize the pathogens. After phagocytosis,
primary lysosomes fuse with the phagocytic vesicle to form a larger vesicle called a secondary lysosome. The purpose for this process is to: a. Both B and D. b. degrade the bacteria and export it from the cell. c. wrap the pathogen in additional membrane, rendering them harmless. d. mix the pathogens with strong hydrolytic enzymes and destroy them. e. coat the bacteria in lipids derived from the Golgi complex, which cover and smother them.