The huge array of capabilities of the plasma membrane are performed by its:
A) proteins. B) carbohydrates. C) cholesterol. D) phospholipids.
Answer: A
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During the elongation of a polypeptide chain, ________ occurs when the mRNA moves to the next site on the ribosome to read the next codon.
A. translocation B. transference C. translation D. transcription
A carbohydrate that yields many monosaccharides when hydrolyzed is a _______.
Fill in the blank(s) with the appropriate word(s).
Bacteriophages derive all of the following from the host cell EXCEPT
A) lysozyme. B) tRNA. C) amino acids. D) nucleotides. E) ATP.
Negative feedback loops are __________.
a. activated only when a physiological variable rises above a set point b. mechanisms that most commonly maintain homeostasis c. analogous to a radiator that heats a room d. involved in maintaining contractions during childbirth e. found in endotherms but not in ectotherms