The correct answer I think is D. The nucleus
Answer:
Fish are gill-bearing aquatic craniate animals that lack limbs with digits. They form a sister group to the tunicates, together forming the olfactores. Included in this definition are the living hagfish, lampreys, and cartilaginous and bony fish as well as various extinct related groups.
Explanation:
In its second messenger role, cAMP activates enzymes called kinases, whose job is to regulate other enzymes by adding phosphate groups to them.
<h3>What is a kinase?</h3>
A kinase is an enzyme that catalyzes the addition of phosphate group and thus regulates cell signaling.
Moreover, phosphatases are enzyme that catalyze the removal of a phosphate group in a protein.
In conclusion, in its second messenger role, cAMP activates enzymes called kinases, whose job is to regulate other enzymes by adding phosphate groups to them.
Learn more about phosphatases here:
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The greatest advantage of using DNA technology to produce medicines has been that B. medicine can be distributed at a reduced cost. The medicine becomes easier to produce due to DNA technology. One may consider insulin as an example of this, which had to be extracted from the blood from animals before it could be produced using DNA technology.
