How do we know that transcription termination in bacteria does not solely rely on examination of the DNA template?
What will be an ideal response?
Ans: Many bacterial terminators require a hairpin to form in the secondary structure of the RNA transcript.
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In principle, gene expression can be controlled at any of the steps between a gene and its ultimate functional product. For the majority of genes, however, the __________ is the most important point of control. Because this control point can ensure that no unnecessary intermediates are synthesized.
A) Replication. B) Transcription C) Translation. D) PCR.
A proton pump is needed in the lysosomal membrane because:
A. the interior of the lysosome needs to be acidic. B. protons are being moved from low to high concentration. C. protons cannot move across a membrane on their own. D. All of the answer options are correct.
Cuvier, an anatomist and paleontologist,
proposed that a. all present-day organisms have descended, with adaptations, from one--or possibly a few--original organisms. b. the earth's history has been marked by several periods when destruction of populations was widespread and that, after each such period, the earth was repopulated. c. evolutionary changes in organisms are caused by use and disuse. d. although evolution is responsible for all the changes that happen to species, one center of creation resulted in the original members of each species. e. none of these are true
A recrutement is what?
What will be an ideal response?