Which of the following best describes the basis for separation of DNA fragments during agarose gel electrophoresis?
A. The largest fragments will migrate fastest.
B. The fragments with the highest percentage of A and T will migrate fastest.
C. The smallest fragments will migrate fastest.
D. The fragments with the highest percentage of G and C will migrate fastest.
Answer: C
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A selective growth medium
A. allows only certain bacteria to grow. B. allows all bacteria to grow. C. allows no bacteria to grow. D. accentuates differences between the growing bacteria.
Fungi are surrounded by a cell wall made of chitin
Indicate whether the statement is true or false
Why is pollen considered an important adaptation to land?
What will be an ideal response?
The loss of water from the surface of plants is
A. transpiration. B. dew. C. biomagnification. D. bioaccumulation.