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2 years ago

Two identical sister chromatids are held together at what

Chemistry

1 answer:

Svet_ta [14]2 years ago

6 0

After DNA duplication, the chromosome becomes composed of two identical structures, called sister chromatids, which are joined at the centromere area.

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When a sample is heated water is observed at the top of the tube. The compound melts and changes color. Te residue is not entire

harkovskaia [24]

Answer:

hydrate

Explanation:

when a hydrate is heated,it changes color due to the exothermic reaction taking place.the structure of the complex changes but not entirely.this result in the sample to to not dissolve completely and we can observe the small traces of the sample.

7 0

3 years ago

This is 20 points!!!

Ann [662]

Answer:

I think it both physical & chemical change :')

5 0

2 years ago

Identify these reactions

olga2289 [7]

Answer:

NaNO" (and any subsequent words) was ignored because we limit queries to 32 words.

8 0

2 years ago

Whats does x stand for?

Furkat [3]

x is the chemical symbol of the element and it must correspond to the atomic number

4 0

2 years ago

One of the many remarkable enzymes in the human body is carbonic anhydrase, which catalyzes the interconversion of carbon dioxid

natka813 [3]

Answer:

Enzyme is carbonic anhydrase

Substrate is $CO_2$

Turnover number is $10^{7}$

Explanation:

An enzyme is used by a living organism as a catalyst to perform a specific biochemical reaction.

A substrate is a molecule upon which an enzyme acts.

Turnover number refers to the number of substrate molecules transformed by a single enzyme molecule per minute. Here, the enzyme is the rate-limiting factor.

Here,

Enzyme is carbonic anhydrase

Substrate is $CO_2$

Turnover number is $10^{7}$

8 0

3 years ago