Answer:
<u>B</u>
Explanation:
Slow moving nutrients include Nitrogen and Phosphorus.
You can't say it developed just one branch of science.
To name a few: Genomics, Genetics, Chemistry and The science of studying DNA itself. We can't forget about the uses in technology like DNA Nanotechnology.
But technically, the main branch of science developed after the discoveries about DNA was Molecular Biology.
It is often useful for scientists to study a population of cells that are all at the same stage of the cell cycle.
<h3>Why the discovery of cyclins and cdks was enabled?</h3>
The discovery of cyclins and cdks was enabled by studying frog eggs that divided synchronously after fertilization; extracts from the embryos were thus representative of the cell-cycle stage at which the extract was made.
Researchers have devised means to synchronize asynchronous populations of cultured cells. for example, serum starvation deprives cells of mitogens and blocks cells in the g0/g1 phase of the cell cycle.
Therefore, It is often useful for scientists to study a population of cells that are all at the same stage of the cell cycle.
Learn more about cell cycle on:
brainly.com/question/15876101
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The Answer to question number two is the sun
