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

Biology & Microbiology

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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.

Biology & Microbiology

How many total haploid cells are produced by one diploid cell during meiosis?

A) 2 B) 1 C) 4 D) 8 million

Biology & Microbiology

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

Biology & Microbiology

Microaerophiles are microbes that grow best at low

A. carbon dioxide levels. B. pH values. C. hydrostatic pressure. D. oxygen levels. E. salt concentrations.

Biology & Microbiology