The process of linking the correct amino acid to a tRNA molecule is catalyzed by ____
a. the tRNA itself
b. RNA polymerase
c. an mRNA
d. the ribosome
e. an aminoacyl-tRNA synthetase
ANSWER: e
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You find what you believe is a new species of animal. Which of the following characteristics would enable you to argue that it is more closely related to a flatworm than it is to a roundworm?
A) It has a cuticle that it sheds to grow. B) It is a suspension feeder. C) It has no coelom. D) It is shaped like a worm. E) It has a mouth and an anus.
This process uses an electrical current to move DNA through a gel matrix based on size.
A. gel electrophoresis B. PCR C. translocation D. gel transformation
Cytogenetics
What will be an ideal response?
Paul Ehrlich used chemotherapy to treat
A. cholera. B. cancer. C. anthrax. D. smallpox. E. syphilis.