Why are high levels of radiation fatal to humans?
A) Radiation leads to permanent increases in the activity of DNA repair proteins.
B) Radioactive atoms act as mutagens.
C) Radiation increases the rate of DNA replication.
D) Radiation inhibits cell division so that dead cells cannot be replaced.
Correct Answer:
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Q2: What part of a nucleotide accounts for
Q17: In Griffith's experiments, the genetic material was
Q18: The experiments conducted by Hershey and Chase
Q19: Frederick Griffith's experiments with mice showed that
A)
Q20: Which of the following would not be
Q24: The figure below shows a short sequence
Q25: The figure below illustrates DNA undergoing replication.
Q26: DNA replication
A) involves the copying of only
Q33: Damaged DNA may be repaired by a
Q38: Is a species that lacks DNA repair
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