When Hershey and Chase labeled phage with radioactive phosphorus, they concluded that the phage injects its DNA, not protein, into its host. These conclusions were based on the observation that the radioactive DNA ended up where?
What will be an ideal response?
The DNA ended up inside the bacterium.
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What is evolution that occurs as a result of a dramatic reduction in population size?
A) founder effect B) genetic drift C) gene flow D) population bottleneck
The diversity in a kelp forest community can be measured by
A. the number of kelp living in the community. B. the number of fishes living in the community. C. the abiotic resources utilized by the community. D. the number of niches in the community. E. the number of different species of living organisms in the community.
Which of these pathogens would most likely be attacked by antibody-dependent cell-mediated cytotoxicity?
A) varicella-zoster virus B) Salmonella typhi C) Staphylococcus aureus D) blood flukes (schistosomes)
Which type of RNA is found in eukaryotes and has an instrumental role in RNA processing?
A) rRNA B) tRNA C) snRNA D) mRNA E) All of these