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matrenka [14]
2 years ago
15

Describe the role of a nebula in the life cycle of a star. Please use your own words​

Biology
1 answer:
raketka [301]2 years ago
6 0

Answer:Stars are formed in clouds of gas and dust, known as nebulae. Nuclear reactions at the centre (or core) of stars provides enough energy to make them shine brightly for many years. The exact lifetime of a star depends very much on its size.

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5 0
2 years ago
Protein phosphatases A. catalyze the addition of glycosylphosphatidylinositol to proteins. B. are proteins that specifically bin
MrMuchimi

Answer:

The correct answer is C. catalyze the removal of phosphate residues from proteins

Explanation:

The function of protein kinase is to transfer a phosphate group to the amino-acid present in a protein and the function of protein phosphatase is to catalyze the removal of the attached phosphate group from amino acid of a protein.

Protein dephosphorylation is an important event in the post-translational modification process. Through dephosphorylation, phosphatases change the protein behavior by activating and deactivating the proteins.

Phosphorylation and dephosphorylation of proteins are important in managing several crucial processes in the cell like cell signaling, apoptosis, cell cycle, etc. So the right answer is C.

3 0
3 years ago
What are the consequences of floods​
____ [38]

Answer:

The consequences of floods can be disastrous because after a flood occurs, people may not be able  to go outside because there can be unseen wires in the floodwater and the impact of arriving floods can knock down power lines causing people not being able to call help and they would having to be more cautious of where they step.

Hope this helped :]

5 0
3 years ago
I don’t know the answer to these
vodomira [7]

1 is most likely mutation

4 0
3 years ago
Which trait do archaea and bacteria have in common?
Romashka-Z-Leto [24]

Cell scructure

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