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earnstyle [38]
3 years ago
7

The composition of the sun is best described as-

Biology
1 answer:
tester [92]3 years ago
4 0

Answer:

75 percent of hydrogen, and 25 percent of helium.

Explanation:

The Sun is mostly composed of helium (He) and hydrogen (H). It is a big ball of gases that are converting into solar energy in the core of the Sun.

The Sun is the biggest star, composed of hot gases and it is located in the center of the solar system.

The temperature of the Sun is 5.726 degrees of Celsius. The percentage of hydrogen in the un is 75 percent, and helium 25 percent.

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Explanation:

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7 0
3 years ago
The picture below represents an atom of the element boron.
nordsb [41]

Answer:

B. 5

Explanation:

5 0
3 years ago
What are the 4 nitrogenous bases found in DNA and what are their appropriate pairings?
Debora [2.8K]

Answer:

DNA has four nucleobases: adenine, thymine, guanine, and cytosine. The nucleobases in a DNA strand have preferred partners to form hydrogen bonds with. Cytosine pairs with guanine, and adenine pairs with thymine. These are the base pairing rules that allow DNA replication and protein synthesis to happen.

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3 0
2 years ago
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Maslowich

Answer:

a) The substrate 2 will be accumulated in the cells.

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Explanation:

a) The enzyme C has a mutation, the substrate 2 will not be turn into substrate 3 and this will cause to accumulation of 2.

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3 0
3 years ago
which of the following structures allow the cell membrane to be selectively permeable? select all that apply.
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