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nlexa [21]
3 years ago
9

How are genes and DNA related

Biology
1 answer:
ICE Princess25 [194]3 years ago
7 0
Genes<span> are made of a chemical called </span>DNA<span>, which is short for 'deoxyribonucleic acid'. The </span>DNA<span> molecule is a double helix: that is, two long, thin strands twisted around each other like a spiral staircase. The sides are sugar and phosphate molecules.</span>
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Nonmetals seek to_____to have full outermost shells, while metals seek to_______to have full outermost shells. A. Gain protons/l
Doss [256]

Answer: Option (D) is the correct answer.

Explanation:

Non-metals are electron deficient in nature so, in order to complete their octet they need to gain electrons from metals or electron rich atoms.

Whereas metals are electron rich in nature so, in order to gain stability metals lose their valence electrons.

For example, atomic number of potassium is 19 and its electronic distribution is 2, 8, 8, 1. Whereas atomic number of chlorine is 17 and its electronic distribution is 2, 8, 7.

Therefore, sodium in order to gain stability will lose its valence electron to chlorine atom. Hence, an ionic bond will be formed resulting in the formation of KCl.

Thus, we can conclude that non-metals seek to gain electrons to have full outermost shells, while metals seek to lose electrons to have full outermost shells.

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3 years ago
In order to caluclate the specific activity of the isolated
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Answer:

Explanation:

This is evident that all enzymes are proteins but not all proteins are enzymes. The specific activity can be define as the number of enzyme units per milliliters that is divided by the available concentration of the proteins typically in mg/ml. Thus the value of the specific activity can be measured in  units/mg.

In others words this can be said that how much enzymes units can be found in the 1 mg of the total protein. So in the total concentration of the proteins the estimation of the enzyme units is possible. Thus protein concentration is necessary for calculating the number of the enzyme units.

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a very large population of lake trout in which individual meet at random experience no migration mutation or selective pressure
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8 0
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2
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Answer:

There is no diagram but

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It would be D if you were looking at a Golgi apparatus

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4 years ago
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