Viruses that are ________ undergo only the lytic cycle.
Fill in the blank(s) with correct word.
Answer: virulent
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The process whereby repeated, short stimuli provided to a hippocampal neuron have the effect of strengthening the synapse it makes with other neurons is specifically referred to as
A. long-term potentiation. B. short-term potentiation. C. neurotransmission. D. synaptic reuptake. E. None of these choices are correct.
Which of the following numbered events represents the correct sequence of events of prokaryotic translation
initiation? 1) large ribosomal subunit binds to initiation complex 2) initiation tRNA binds small ribosomal subunit 3) initiation complex binds to ribosome recognition sequence on mRNA a. 1 ? 2 ? 3 b. 1 ? 3 ? 2
c. 2 ? 1 ? 3 d. 2 ? 3 ? 1 e. 3 ? 2 ? 1
How is the recipient cell different at Time D than it was at Time A?
A) It has a greater number of genes. B) It has a greater mass of DNA. C) It has a different sequence of base pairs. D) It contains bacteriophage DNA.
Temperature is perhaps the most important factor in the distribution of organisms because
A. water is more scarce in warmer environments. B. wind amplifies the effect of cool temperatures. C. most organisms are unable to regulate their body temperature precisely. D. the metabolic optimum for endothermic animals is in temperate areas. E. many organisms are able to grow faster in warmer climates.