You cut a plasmid with a restriction enzyme that cuts it into three pieces-one fragment is 240 base pairs, one fragment is 600 base pairs, and one fragment is 1200 base pairs. You carry out electrophoresis of the digested sample. Which of the fragments will be closer to the top of the gel where the sample was inserted?
A. It depends on the charge of the DNA fragment.
B. They will all be near the top because they all have sticky ends.
C. The 240 base pair fragment.
D. The 1200 base pair fragment.
E. The 600 base pair fragment.
Answer: D
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Where are blood cells produced in humans?
a. in the heart b. in the lymph nodes c. in the bone marrow d. in the kidneys
Amino acids that cannot be manufactured by the human body are called ____________________
Fill in the blank(s) with correct word
Which of the following statements is true?
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