The site where RNA polymerase attaches to the DNA molecule to start the formation of mRNA is called a(n)
A. exon.
B. operator.
C. promoter.
D. operon.
Answer: C
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The products of the process in Figure 3-1 are:a
amino acids. b. molecules of glycerol. c. representative of a glycoside linkage. d. enzymes. e. monosaccharides
Synapsis and crossing over occur during
A) prophase I. B) anaphase I. C) prophase II. D) telophase II. E) metaphase II.
If an organism was discovered that had no epithelial tissues, it would require adaptations to maintain homeostasis in which of the following areas? The organism would require adaptations _____
A) in its skeleton for structure B) in its nervous system for sensing external stimuli C) that would prevent water loss from the body in a terrestrial environment D) in its muscular system for movement
What proteins are involved with wrapping up DNA?
What will be an ideal response?