Which of the following is true regarding DNA replication?
A. Only the lagging strand gets shortened
during replication.
B. Only the leading strand gets shortened
during replication.
C. Both strands get shortened at the same
end during replication.
D. Both strands get shortened at opposite
ends during replication.
E. Only the lagging strand gets shortened
after every other round of replication.
D
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Which of the following is a difference between LTR and non-LTR transposition?
A. An mRNA copy of the transposon is synthesized. B. Reverse transcriptase is used to copy the mRNA into DNA. C. The DNA copy of the mRNA is replicated to form a DNA copy of the transposon. D. LTR transposons are primed extrachromosomaly, whereas non-LTR transposons are target primed. E. Copies of the transposons are left in the donor and target sites upon completion for both.
Oral infections with herpes simplex virus 1 can lie dormant in nerve cells for years. When a patient becomes stressed, the virus enters the active stage and forms cold sores on the lips. When the virus is inactive, or dormant, it is in the stage.
A. latent B. symptomatic C. lytic D. infective E. replicative
Arbuscular mycorrhizal fungi invade plant roots, with many species forming mutualistic associations that benefit both the fungus and the plant.
Answer the following statement true (T) or false (F)
Blood that occurs to and from all of the tissues of the body, with the EXCEPTION of the lungs, is transported in the ________.
A) infundibular circuit B) pulmonary circuit C) systemic circuit D) hepatic portal circuit E) arterial circle of Willis