Answer:
A covalent bond forms between two Nonmetals!
Explanation:
A covalent bond always forms between the electrons of two Nonmetals.
hope it helps!
"It binds itself to the receptors present on the surface of the cell membrane,which activates the enzymes present inside cell" is the one event that happens next when <span>a peptide hormone reaches its target cell. The correct option among all the options that are given in the question is the first option or option "A". </span>
Abiotic is non living things. So I would think it would be D. All of the above
Pulmonary surfactant is a mixture of lipids and proteins which is secreted into the alveolar space by epithelial type II cells. The main function of the surfactant is to lower the surface tension at the ir/liquid interface within the alveoli of the lung. In babies born prematurely, pulmonary surfactant may not be present in adequate amounts due to insufficient exocytosis in type II alveolar cells.
