Permafrost underlies _____
a. arctic tundra c. boreal forest
b. alpine tundra d. all of these
A
Biology & Microbiology
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When the Catabolite Activator Protein binds to its binding site in DNA, it
A. bends the DNA. B. eliminates the need for a sigma factor on the part of RNA polymerase. C. promotes the assembly of other transcription factors at the promoter. D. displaces repressors.
Biology & Microbiology
Compare DNA methylation to histone acetylation
What will be an ideal response?
Biology & Microbiology
There are how many different kinds of amino acids in proteins?
a. 3 b. 6 c. 12 d. 20 e. 28
Biology & Microbiology
Which of the following is characteristic of gymnosperms?
a. The gametophyte generation is dominant. b. They are wind pollinated. c. They are more diverse than the angiosperms. d. They are water pollinated. e. All of the above are correct.
Biology & Microbiology