Which of these lists contains only trace elements?
A) sulfur, chlorine, oxygen
B) selenium, hydrogen, calcium
C) boron, oxygen, carbon
D) silicon, fluorine, tin
E) cobalt, calcium, sodium
D
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The presence of ketone bodies in the urine indicates increased metabolism of ________.
A. citric acids B. fatty acids C. lactate D. amino acids E. nucleic acids
What will happen if the ribosome reads a faulty mRNA which calls for a tRNA that brings an amino acid that is still correct, due to the redundancy of the genetic code?
A. The protein that is produced will be enhanced. B. The protein that is produced will be correct. C. The protein that is produced will be incorrect, causing possible problems. D. A protein will not be produced.
Tubular reabsorption occurs in the ___.
a) proximal convoluted tubule b) glomerular capsule c) distal convoluted tubule d) loop of Henle
Which of the following is a water-soluble vitamin that is important in glucose metabolism?
A) vitamin K B) vitamin D C) vitamin E D) biotin E) vitamin B5