How does histone acetylation affect chromatin?
a. it loosens the chromatin and allows i...
Biology, 17.12.2019 21:31 yannabby26
How does histone acetylation affect chromatin?
a. it loosens the chromatin and allows increased transcription.
b. it allows dna to become resistant to damage.
c. it the histones have a greater affinity for dna.
d. it inhibits dna replication by making it more difficult to separate the dna strands.
e. it causes the chromatin to become more condensed in preparation for metaphase.
Answers: 2
Biology, 21.06.2019 20:00
Which of the following is true of microbes? a. ninety-nine percent of all microbes are pathogenic.b. gene expression in bacteria is very similar to gene expression in humans, which facilitates the use of bacteria in recombinant biotechnology and gene therapy.c. all bacterial enzymes are harmful to humans and the environment.d. microbes create pollutants and toxins that harm the environment.
Answers: 2
Biology, 22.06.2019 00:10
Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase
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Biology, 22.06.2019 06:30
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