In translation, a cytosine in trna pairs opposite question 1 options: a) uracil. b) guanine. c) thymine. d) adenine.
relatively weak hydrogen bonds hold each in position as base pairs in dna.

The many stone tools, fragmentary animal bones, and teeth found at gran dolina, spain, indicate that hominids there? a. processed and consumed animals and other hominids. b. did not differ appreciably from earlier asian homo erectus. c. were similar to later homo sapiens. d. none of the above

Has magnification ability of hundreds of thousands of times

Why are lipids and proteins free to move laterally in membranes?