How many "letters" of an RNA molecule, in sequence, does it take to provide the code for a single amino acid?
What will be an ideal response?
Answer: 2
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Which plexus gives rise to the sciatic nerve?
A. Sacral B. Brachial C. Cervical D. Lumbar E. Coccygeal
For maximum efficiency in loading oxygen at the lungs,
A) the pH should be slightly acidic. B) the temperature should be slightly lower than normal body temperature. C) DPG levels in the red blood cells should be high. D) the PO2 should be about 70 mm. E) All of the answers are correct.
The _____________ contains the genetic information of the cell
A. nucleolus B. nucleoplasm C. nucleus D. nucleosome E. ribosome
Which of the artery types contain the internal and external elastic laminae?
A. Elastic and muscular arteries B. Arterioles C. Elastic arteries D. Elastic arteries and arterioles E. Muscular arteries