Natural selection is the inevitable consequence of:
a. variation. c. differential reproductive success.
b. inheritance. d. All of the above.
D
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Thermotogae can grow anaerobically on which of the following?
A. Protein digests and carbohydrates B. Cellulose C. Methane and methanol D. Lignin
How many different amino acids make up
proteins?
a. 4 b. 8 c. 12 d. 16 e. 20
What is a primary function of growth hormone?
A. Inhibits loss of calcium from bone B. Stimulates bone growth C. Lowers blood glucose level D. Initiates stress response E. Raises blood glucose level
In mitosis, three major check points are built into the cell cycle. These checkpoints make sure that certain criteria are met before proceeding to the next step
Explain the major responsibilities of the checkpoints between the following steps: between G1 to S, between G2 to mitosis, and between metaphase to anaphase.