The __________ is a circular molecule of DNA that
resides in a region of cytoplasm called the
__________. Fill in the blank(s) with the appropriate word(s).
Answer: prokaryotic chromosome; nucleoid
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The 10,000 origins of replication in mammalian cells suggests that there is
A) at least one origin of replication per loop of DNA. B) probably one origin of replication every other loop of DNA C) a random distribution of origins of replication across the genome. D) an even distribution of origins of replication across the genome.
Why is high blood pressure damaging to the kidneys? What will be an ideal response?
Which of the following is not true regarding a motor unit?
The fish in a certain population average 10 millimeters in length. Imagine that a population of predatory birds arrives in the area, but they cannot eat fish longer than 15 millimeters. After a decade, if the fish average 14 millimeters in length, what probably happened?
A) There was disruptive selection for fish length. B) The presence of the predator caused mutations for larger fish to occur. C) The longer fish survived and produced more offspring than shorter fish. D) There was stabilizing selection for fish length. E) The fish and the predator coevolved.