The answer is <span>adrenal gland.
</span><span>Hormones are chemical signaling
molecules secreted by glands, either endocrine or exocrine. </span><span>Endocrine glands secrete hormones
directly into the bloodstream without using a duct,
unlike the exocrine glands. Endocrine
glands include pancreas, hypothalamus, pineal gland, pituitary gland, thyroid
gland, parathyroid gland, adrenal gland, ovaries, testes</span>
The microorganisms was unicellular and had a well - defined nucleus.
Answer:
Mutations on DNA that can lead to skin cancer and other skin problems
Explanation:
A Pyrimidine dimer is a molecular lesion that causes mutations that can lead to melanomas and skin sensitivity. It is caused by a photochemical reaction after the exposition of DNA to ultraviolet light.
These mutations happen on thymines or cytosines and can be repaired by a photolyase, an enzyme that adhere the dimers.
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I Think The answer is d hope it helps