<span>Species is a group of reproducing populations that are isolated from other groups. </span>
The third option "Rhyolitic" would be your answer.
Answer:
to get the heat of the planet
Explanation:
Answer:
amoeba
Explanation:
unicellular are the organism which have single cell.
Answer: Substances that are protein based cannot cross the lipid cell membrane, but can exert their effect by binding to the proteins based receptors present on the lipid bilayer.
Explanation:
Hormones such as calcitonin , Parathyroid hormone and pituatry horomones are proteins and water soluble.They cannot cross lipid bilayer but can bind to ligand binding protein receptors.
These receptors are protein macromolecules that are specific in nature for specific hormones.
After binding to the receptors, these hormone-recpetor complexes activate second messengers and regulate the downstream effects.
