A mature mRNA contains which of the following?
A. Exons
B. 5' Cap
C. 3' Poly-A-tail
D. introns
E. All of the above
F. A, B, C, D
G. A, B, C,
H. B, C, D
Ans: G. A, B, C,
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Which of the following is characteristic of animals?
(a) heterotrophy. (b) autotrophy. (c) photosynthesis. (d) both b and c.
Suppose a large population exists on a continent, and a new population is formed by the migration of a few individuals to an island some distance away
The fact that the alleles being carried to this island are not going to be a complete and representative set, as compared to the continental population, is a case of genetic drift known as the ________. [two words] Fill in the blank(s) with correct word
Which of the following is another name for the template strand (the strand of DNA that is transcribed)?
A) anticodon strand B) antisense strand C) sense strand D) transcription strand
"Saturated" fats __________.
A. are composed of at least three fatty acid molecules attached to a glycerol molecule B. contain only single bonds in their fatty acid tails C. are hydrophilic D. mix easily with water