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Vera_Pavlovna [14]
4 years ago
8

The addition of acetyl groups to histones is associated with

Biology
2 answers:
anygoal [31]4 years ago
6 0
The addition of acetyl groups to histones is associated with chromatin condensation and and higher levels of gene expression
Scorpion4ik [409]4 years ago
5 0
Hi there,
The addition of acetyl groups to histones is associated with decondensation at higher levels

Hope this helps :))

~Top 
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Chromosomes is the answer I think
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How are plants pull toward the sun
yawa3891 [41]

Answer:

Looking for light

Explanation:

Since plants require sunlight in order to produce light, they need to be exposed to it. Now, since there are other plants attempting to do the same they have to grow higher so they don't get put in the others shadow and possibly die due to lack of sunlight.

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why are you allowed to use the coarse adjustment when you focus the low power objective lens but not when you focus the high pow
FinnZ [79.3K]
Because you will focus past ("overshoot") your specimen. (Like using a race car as a shopping cart: it's too fast, and you'll fly past the cereal and never even see it before you realize you need to stop.) Also: you risk crushing the slide and objective against each other (on older or cheaper scopes), and that would be a costly (and embarrassing) mistake.
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3 years ago
If a DNA sequence is A-T-G-A-C, write the sequence of base pairs that would pair with it.
denis23 [38]

Answer:

T-A-C-T-G

Explanation:

Deoxyribonucleic acid, widely known as DNA, is the genetic material in living cells. It is a double-stranded molecule, with each strand arising from the pair of nucleotide monomers that forms its structure. In the DNA, four nucleotides exist namely: Adenine (A), Thymine (T), Cytosine (C), and Guanine (G).

These four bases occur in different combinations to form a sequence that makes up each strand of the DNA. However, each nucleotide pairs with one another using the COMPLEMENTARY BASE PAIRING RULE, which states that Adenine will always hydrogen bond with Thymine, while Guanine will always hydrogen bond with Cytosine i.e. A-T, G-C.

Based on the above, a DNA strand with sequence: A-T-G-A-C will pair with another DNA strand with sequence: T-A-C-T-G.

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3 years ago
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