If the quantities of the four bases in a DNA molecule are measured, we find that
A) T = A and C = G.
B) A = G and C = T.
C) A = C and G = T.
D) no two bases are equal in amount.
E) all bases are equal in amount.
A
You might also like to view...
Refer to the table above. Because the shark rectal gland functions only when ATP molecules are present, what can you infer about the movement of Na+, K+, and Cl-?
A) Movement of these ions from circulation into the rectal gland is an active process. B) Movement of these ions takes place from a region of higher concentration to a region of lower concentration. C) These ions move into the rectal gland down their concentration gradient. D) The rectal gland is unable to concentrate these ions.
When cells of a facultative anaerobe such as Paracoccus denitrificans are growing under anaerobic conditions and using nitrate as the terminal electron acceptor, ________ nitrate reduction is occurring.
Fill in the blank(s) with the appropriate word(s).
The molecule that carries amino acids during translation is ____
a. DNA b. rRNA c. mRNA d. tRNA e. RNA polymerase
In ________ conditions, the cell wall will help prevent the cell from bursting.
A. hypertonic B. isotonic C. hypotonic D. mesotonic E. All of these choices are correct.