Answer: b)Steroid hormone receptors are located within the cytoplasm of a cell.
Explanation: Steroid hormones are the element present in the body that provides management in inflammation, metabolism, illness resistant , improves immune function etc. They are obtained from the cholesterol. The particular receptors of the steroid hormone is located at the cytoplasm.
Other options are incorrect because steroid hormone binds the certain receptors only not neurotransmitters .It does not have domain of 20 trans-membrane and is bound to ligand for activation.Thus , the correct option is option(b).
A duplication is a mutation where the chromosome carries repetitive sets for a gene.
Answer:
Tundra
Explanation:
Permafrost is a layer just beneath the surface of the ground that never thaws.
Answer:
used in an experiment as a way to ensure that your experiment actually work
Explanation:
Sun the answer is the sun