Telomerase adds nucleotides to the ________
A) 5? end of the daughter strand B) 3? end of the parental strand
C) 3? end of the daughter strand D) 5? end of the parental strand
Answer: B
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During the S stage,
a. chromosomes condense. b. the cell is producing proteins in preparation for mitosis. c. the cytoplasm begins to divide. d. DNA is replicated. e. sister chromatids separate from each other
Fluid inside vessel elements is being pulled upward primarily by ____
a. turgor pressure b. evaporation and cohesion c. osmotic gradients
d. pressure flow forces e. active transport and osmosis
Microbial death is defined as which of the following?
A) The permanent termination of an organism's vital processes B) The permanent loss of reproductive capability, even under optimum growth conditions C) The loss of movement in a motile microbe D) Exposure to a chemical or physical agent for a period of time until a cell structure
When two different microbes work together to degrade a substance that neither can degrade alone, it is called
a. a redox reaction. b. syntrophy. c. symbiosis. d. reductive dechlorination.