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Anettt [7]
3 years ago
11

Once stem cells are made they are differentiated into different types of cells by

Biology
1 answer:
Goryan [66]3 years ago
3 0

Stem cells are differentiated into different types of cells by a process called signaling, which leads to changes in gene activity, causing the cell to differentiate.

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I need help please!!!!!!
Anna [14]

Answer:

The correct answer is - 2. Helium.

Explanation:

Nuclear fusion is a reaction that involves the fusion of two or more atomic nuclei to make different atomic nuclei with subatomic particles and releases a huge amount of energy.

Two hydrogen molecules with one proton and one neutron fused together to make a larger helium molecule with two protons and two neutrons and release a huge amount of energy.

1H^2+1H^2 ====> 2He^4 + energy

4 0
3 years ago
Nucleic acids are made of individual subunits called ?
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Answer:

nucleotides is the right answer

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Based on the image above, one of the boundaries between which plates is classified as transform?
MrRa [10]

Answer:

Eurasian and North American

Explanation:

4 0
3 years ago
Which one of the following discoveries involving DNA happened first?
gregori [183]
<span>In 1944, Oswald Avery identifies DNA (Deoxyribonucleic Acid) as transforming principles. This famous genetic scientist has made great efforts for many steps to find what happened after combinations of some bacteria. After purification, he found a new substance which was a nucleic acid, involving the discovery of DNA after further analysis.</span>
6 0
3 years ago
For those women who are not progressing at all or the baby is showing early signs of distress, the decision is
spin [16.1K]

Answer:

It is common for contractions to occur every often meaning a sign of labor might be happening soon

Explanation:

Simply meaning your brain is telling your system the baby is ready

8 0
3 years ago
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