Which mutations can interfere with the proper insertion of a protein in the plasma membrane?
A. A nonpolar amino acid to a polar amino acid within a cytoplasmic domain
B. A polar amino acid to a nonpolar amino acid within a transmembrane domain
C. A polar amino acid to a nonpolar amino acid within a cytoplasmic domain
D. A nonpolar amino acid to a polar amino acid within a transmembrane domain
Answer: D
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Which of the following is responsible for the evolutionary success of eukaryotes?
A. possessing a dynamic cytoskeleton B. having complex patterns of gene regulation C. localizing where energy metabolism takes place D. possessing a dynamic endomembrane system E. All of the answer options are correct.
In humans the pharyngeal slits mostly disappear during development, except for one pair that in the adults forms:
A. a cleft palate B. the Eustachian tubes C. the thyroid gland D. the glottis E. the opening to the voice box
Augustus Waller invented a machine that measures ____
a. blood pressure when the ventricles are contracting b. blood pressure when the ventricles are relaxed c. cardiac output d. electrical activity of the brain e. electrical activity of the heart
If a codon for alanine is GCA, then the anticodon is ________.
A. CGU B. UGC C. GCA D. ACG E. CGT