The letter “E” in the above figure represents the
__________ fin.
a. anal
b. pelvic
c. pectoral
d. caudal
e. dorsal
Answer: a
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Scientists isolate cells in various phases of the cell cycle. They find a group of cells that have times more DNA than G1 phase cells. The cells of this group are _____
A) between the G1 and S phases in the cell cycle B) in the G2 phase of the cell cycle C) in the M phase of the cell cycle D) in the S phase of the cell cycle
What kind of reaction produces large molecules by
linking small molecules? a. oxidation b. reduction c. condensation d. hydrolysis e. decarboxylation
A mountain lion, or puma, has the scientific name Felis concolor. The term Felis is the
A) species. B) genus. C) kingdom. D) order. E) family.
Which of the following lifestyle changes would NOT boost the immune system?
A. eating amino acids B. walking 20 minutes a day C. reducing inflammation by using a cortisol supplement D. reducing stress by practicing yoga E. All of these actions will boost the immune system