Each of the following molecules is an electron carrier in the electron transport system except
A) flavoproteins.
B) iron-containing cytochromes.
C) iron-sulfur proteins.
D) coenzyme Q.
E) All of the above are electron carriers.
Answer: E
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Triacylglycerols are used primarily for:
A. energy storage. B. information storage. C. cell membrane biosynthesis. D. biological catalysis. E. movement.
All sugars are absorbed via secondary active transport.
Answer the following statement true (T) or false (F)
The deamination of cytosine creates
A) 5-methyl cytosine. B) uracil. C) 2-aminopurine. D) 5-bromouracil. E) thymine.
Choose the true statement about the human genome and the tiger pufferfish genomes.
A. About 25% of human genes are unique when compared to the tiger pufferfish genome. B. Both species have about the same amount of introns and "nonsense" sequences of DNA. C. Essentially all the human genes have nearly identical counterparts in pufferfish. D. The order of genes along the chromosomes in both species is essentially identical.