The simplest hydrocarbon, CH4, is called ____
a. methane
b. ethyne
c. cyclohexane
d. ethane
e. benzene
A
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What type of interaction is directly responsible for the formation of secondary structure?
A) peptide bonds between adjacent amino acids B) peptide bonds between nonadjacent amino acids C) hydrogen bonds between sections of the polypeptide backbone D) hydrogen bonds between side chains of amino acids
Where would the oocyte most likely be when it completes meiosis?
1.in the ovary 2.in the uterus 3.in the oviduct 4.in the vagina
What happens to the oxygen that is used in cellular respiration?
A. It is converted to carbon dioxide. B. It is used to make Krebs cycle intermediates. C. It is used to make glucose. D. It is reduced to form water. E. It is converted to acetyl-CoA.
Botulinum toxin (Botox) produced by certain bacteria will
A) prevent enzymatic breakdown of neurotransmitters. B) cause continual contraction of smooth muscle. C) initiate an increase in the strength of a transmitted signal. D) inhibit the release of acetylcholine.