What is the advantage of having a promoter sequence upstream of a coding sequence?
What will be an ideal response?
The promoter ensures that the initiation of every RNA occurs at the same site. Otherwise, the ensuing polypeptide might be missing amino acids, or it might contain extra amino acids.
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If 14% of the nucleotides from a DNA molecule contain the base T, what percent will contain the base G?
A. 14% B. 18% C. 28% D. 36% E. 72% Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain? Gather Content · What do you already know about base-pairing? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Individuals can inherit a defective APC gene on chromosome 5 from one parent that makes them susceptible to developing familial adenomatous polyposis. In which cells is this deletion present in affected individuals?
A) somatic cells B) germ cell precursors C) colon polyp cells D) colon epithelial cells E) all cells
A toxin that inhibits the production of GTP would interfere with the function of a signal transduction pathway that is initiated by the binding of a signal molecule to _____ receptors.
-G-protein-linked -ion-channel -intracellular -steroid -receptor tyrosine kinase
The oral cavity infection called ________ occurs when herpetic vesicles cover the oral mucosa, tongue, cheeks, and lips.
Fill in the blank(s) with the appropriate word(s).