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Lilit [14]
3 years ago
5

What is the definition of tributary

Chemistry
1 answer:
Drupady [299]3 years ago
3 0
Umm a tributary a stream of water that flows into another stream or a large body of water such as a river or lake 
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What is insulin's structure?<br> a.quaternary<br> b.secondary<br> c.primary<br> d.tertiary
svetoff [14.1K]

Answer:

A

Explanation:

Quaternary structure of proteins is composed of two or more polypeptide chains. Insulin has two; one alpha  and one beta chain. The two chains are joined together by disulfide bonds at two points (at cysteines). Other examples of quaternary proteins structures are DNA polymerase and hemoglobin.

7 0
3 years ago
Can someone please help
miskamm [114]

Answer:

b

Explanation:

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How long would it take a train to travel 500 miles at 25 mph?
faust18 [17]

Answer:

2 or 3 hrs

I think

<h2>HOPE IT HELPED </h2>
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3 years ago
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NH3 is a weak alkali that does not dissociate fully into its solution. Which of the following is true about NH3?
ad-work [718]
<h2>NH3 is a weak alkali that does not dissociate fully into its solution. Which of the following is true about NH3? </h2><h2> </h2><h2>A. It has a very low pH. </h2><h2>B. It's dissociation is a reversible reaction. </h2><h2>C. It has a high H+ concentration. </h2><h2>D. It will release all of its OH- ions.</h2>

Explanation:

<h3>NH3 is a weak alkali that does not dissociate fully into its solution: It's dissociation is a reversible reaction. </h3><h3></h3>

Reactions are also :

  • Reversible
  • Irreversible

Reversible reaction

A reaction in which products can combine back to give reactants under same given condition .

Example : N₂+H₂-------NH₃

Irreversible reaction

A reaction in which the products cant combine back to give reactants under same set of conditions .

Example : Burning of paper

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3 years ago
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Hey ignore ths i didn mean to post
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Explanation:

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