The replication of lagging strands of DNA differs from the replication of leading strands in that:

A: DNA is replicated as short fragments.
B: RNA primers are required.
C: Removal of RNA primers is required.
D: All of the above


Answer: A: DNA is replicated as short fragments.

Biology & Microbiology

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Crossing-over that occurs only between two specific DNA target sites that are usually less than 200 base pairs long is called

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What carries the signal between a neuron sending a message and the neuron receiving it?

a. threshold value b. action potential c. neurotransmitter d. neurohormone e. resting potential

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Activated helper T (TH) cells or cytotoxic T (TC) cell clones differentiate into:

What will be an ideal response?

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Many medical studies show that patients who receive a treatment feel better even if the treatment was an ineffective sugar pill. What is this phenomenon called?

A) The control group B) The placebo effect C) The fake effect D) The blind effect

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