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.
Bulimia Nervosa is the disorder where a person will eat excess amounts and then purge.
Answer:
nucleotide; nucleic acid
Explanation:
nucleic acid is the polymer, and nucleotide is the monomer as its the buliding block of nucleic acid.
Explanation:
anaerobic respiration as per my opinion .
hope this will be helpful to you.
