Snappers swim by:
a. flexing only the area before the caudal fin.
b. flexing only the posterior portion of the body.
c. using only their fins.
d. undulating the entire body.
B
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During the first phase of glycolysis, ATP is used to form what type of bond with glucose?
A) phosphoester B) phosphoanhydride C) substrate-level phosphorylation D) dehydrogenation E) hydrogenation
A ____ causes the blood vessels of the skin to relax and increase in diameter
a. decrease in body temperature b. increase in body temperature c. electrical stimulus d. mechanical stimulus e. chemical stimulus
Which of the following is true of the humoral immune response and not true of the cell-mediated immune response? Only the humoral immune response _____
A) involves T cells at some level B) require CD8+ cells for activation C) involves destroying entire cells and not just the pathogen D) uses antibodies as its main weapon
Describe the evolution of the vertebrate heart.
What will be an ideal response?