Answer:
False
Explanation:
The histones that are more positively charged, tight hardly to negatively charged DNA. So, enzymes, such as acetyltransferases, that reduce the positive charge of histones promote transcription.
Chromatin structure and its modifications can change the package of the DNA and consequently, alter the gene expression. The most common modifications of the chromatin are covalent modifications such as acetylation/deacetylation (by acetyltransferases and eacetylases), methylation (by methyltransferases), and phosphorylation (by kinases). This is the way of gene expression regulation.
The effects of modifications are different, for example methylation promotes condensation of the chromatin and as a consequence, prevents binding of transcription factors to the DNA (transcription is repressed).
Acetylation loosens the association between nucleosomes and DNA (because it neutralizes the positive charge of histones) and consequently promotes transcription. Deacetylation is a process opposite to acetylation.
Liver cells because it uses the most energy than the other choices
I would say either the first, second, or fourth answer; waves have a very strong impact on the movement of sand and other particles under the water. Erosion of particles off an island are similar in this case.
It wouldn't be anything about a tropical storm; it's no where in the question and we don't know how many storms Florida has or how strong they are.
The answer is A The pancreas regulates blood glucose through hormones.
Answer:
<u><em>1)</em></u> <u><em>Water has high heat capacity</em></u>
<u><em>2) Water is a versatile solvent</em></u>
<u><em>3) Water conducts more electricity than any other liquid</em></u>
<u><em>4) Water has high heat of vaporization</em></u>
<u><em>5) Water has very high surface tension</em></u>
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Explanation:
