Answer:
A. INACTIVE PRECURSOR OF THE ENZYME PEPSIN THAT DIGESTS PROTEINS IN THE STOMACH.
Explanation:
Pepsinogen is the inactive precursor of pepsin produced by the chief cells of the stomach lining. The stomach walls are lined by majorly two types of cells; the chief and the parietal cells. Chief cells secretes pepisinogen and parietal cells secrete hydrochloric acid in the stomach lining. The chief cells upon the signals of increased protein substance in the stomach produces pepsinogen which upon it release, it is activated to the active enzyme Pepsin by the hydrochloric acid from the parietal cell. Hydrochloric acid provides the acidic environment needed for the action of pepsin in the stomach. The pepsin begins the digestion of proteins into small amino acids in the stomach,
Answer:
Anaerobic respiration.
Explanation:
Living beings used to respiration process to synthesize ATP. There are two types of respiration i. e. aerobic respiration and anaerobic respiration. in aerobic respiration, organisms synthesize ATP in the present of oxygen in very large amount while in anaerobic respiration, organisms produces ATP in the absence of oxygen but in very low concentration. So anaerobic respiration is the process used by organisms as an alternate method to produce ATP without oxygen.
Answer:
to inform the teens labeling business
Answer:
OB. Bacteria
Explanation:
Bacteria reproduce through a process known as Binary Fission, which is an asexual reproduction by a separation of the bacteria into two new bodies.
