As unwinding of the helix occurs during DNA replication, tension is created ahead of the replication fork. Describe the nature of this tension and state the manner in which it is resolved
What will be an ideal response?
supercoiling; DNA gyrase
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Metamerism refers to:
A. a body type that contains clearly distinguishable dorsal and ventral surfaces. B. the division of the body into a series of repeating segments. C. loss of crystalline structure of an amorphous state. D. None of the choices is correct.
In the figure above, which structure vibrates and bends the sensory hairs?
a. 1 b. 2 c. 3 d. 4 e. 5
Contrast homologous and analogous traits, giving examples
What will be an ideal response?
Which of the following statements is false?
a. Enzymes are highly specific and act on chemicals called substrates. b. Enzymes act as catalysts and speed up chemical reactions within cells. c. Most enzymes work best under very low pH conditions. d. Most enzymes are proteins. e. Enzymes can become deactivated by high fevers.