In the light reactions, H2O goes in, and O2 goes out.
Answer:
Pyloric sphincter
Explanation:
The duodenum is the first section of the small intestine, it is connected to stomach by pylorus (which means "gatekeeper"). The pylorus ends as the pyloric orifice which is surrounded by a band of muscle named "pyloric sphincter" it is located exactly in the junction between stomach and duodenum.
Amino acids are linked together by peptide bonds to make proteins
1,3,5,6 ...............................................
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