Why is DNA replication considered semiconservative?
A) DNA is created from only four of nine available nucleotides.
B) The DNA molecule includes a parental strand and newly created DNA strand.
C) DNA is not just one strand but two complementary strands.
D) DNA is divided into a top half and a bottom half before replicating.
B
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Which statements about centrioles is false?
a. They are found in the centrosome. b. They are duplicated before cell division. c. They have a 9 + 2 arrangement of microtubules. d. They are thought to play a role in microtubule assembly. e. They are present in most animal cells but not most plant cells.
How many total haploid cells are produced by one diploid cell during meiosis?
A) 2 B) 1 C) 4 D) 8 million
Which compound plays a pivotal role in both the first and last step of the TCA cycle?
a. oxalate b. oxaloacetate c. glycerol d. acetyl CoA e. pyruvate
Microaerophiles are microbes that grow best at low
A. carbon dioxide levels. B. pH values. C. hydrostatic pressure. D. oxygen levels. E. salt concentrations.