Body chemicals that regulate sleep, moods, hunger, and stress are called hormones
<u>Explanation:</u>
These hormones are a type of proteins that are secreted in the body as in response to various activities that happen in a body. They do not have a separate pathway system they just flow along with the blood.
They serve as a communication tool between tissues. The glands which secrete these proteins are termed as endocrine glands. If these hormones affect the same cell they are called as autocrine and different cells are called as exocrine.
C. The shape of a protein allows it to perform several different jobs.
Hot temperatures, natural disasters, agriculture, urbanization, etc.
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Embryonic stem cells,
Tissue-specific stem cells.
Explanation:
Eukaryotic cells are more complex than prokaryotes, and the DNA is linear and found within a nucleus. Eukaryotic cells boast their own personal "power plants", called mitochondria.
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