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The illustration shows an ADP molecule. Adding of a phosphate at position A created ATP
Explanation
It takes a relatively high amount of energy to add the phosphate because it creates a less stable molecule, ATP is less stable than ADP. Part of the reason is because of the closeness, in space, of the O⁻ groups of the phosphates molecules. Their proximity to each other results in repulsion force that make phosphate bond unstable. However this provides an advantage to ATP as a cell energy molecule because it can be easily hydrolyzed back to ADP and this phosphate bond energy harnessed by the cell’s biochemical activities.
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Answer:
Addition of a(n) methyl group to certain lysine residues of a histone protein makes the region of chromatin transcriptionally silent; addition of a(n) acetyl group to certain lysine residues makes the region of chromatin transcriptionally active.
Explanation:
The changes suffered in the expression and activity of the genes are studied by the Epigenetics.
Answer:
Fulfill my wildest dreams
Explanation:
Always 23 because 23+23 is 46 All humans have 46 chromosomes 23 from dad 23 from mom
When the lac operon controls the expression of proteins in the E.coli cell that can break down lactose into two sugars, glucose and galactose. When lactose is present, it binds to the repressor that typically sits on the lac operon, changing the repressor's conformation such that it can no longer bind to the lac operon. Because of this, RNA polymerase can now transcribe the gene into mRNA, <span>which in turn is translated into the proteins that can break down lactose.</span>
