DNA methylation

A. increases transcription.
B. inhibits transcription.
C. increases crossover events.
D. decreases crossover events.
E. promotes post-translational modification of proteins.


B. inhibits transcription.

Biology & Microbiology

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Answer the following statements true (T) or false (F)

1. Agriculture is one of the few industries that does not benefit from the value of ecosystem services. 2. The water cycle is primarily a chemical process, not a physical one. 3. Most transpiration occurs from the sea. 4. Based on data from the figure above, grasslands tend to have a higher herbivore biomass than deserts. 5. All living organisms require phosphorus for ATP.

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A chemical derivative of adenine.  

Choose the letter of the best: A. abscisic acid B. auxin C. ethylene D. cytokinin E. gibberellin

Biology & Microbiology

Species of Rhizobium and Bradyrhizobium bacteria are most directly associated with

a. nitrification. b. ammonification. c. nitrogen cycling. d. nitrogen fixation. e. nitrogen assimilation.

Biology & Microbiology

If you were designing a study of human digestion, and you decided to add a chemical which would become visible in the target area for antacids, where would the chemical become visible?

A. mouth B. esophagus C. small intestine D. stomach E. large intestine

Biology & Microbiology