The answer should be d.
explanation
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<span>A. can be tested.......
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Answer: Option D) Peptide bonds are amide linkages.
Explanation:
A peptide bond is formed between two amino acids with the loss of one molecule of water and the formation of an amide (CO-NH2) bond.
Usually the carboxyl group (COOH) of the first amino acid links with the amino group (NH2) with the loss of H2O, thus forming an amide linkage
Answer:
Water Vapor
Explanation:
The most abundant greenhouse gas overall, water vapor differs from other greenhouse gases in that changes in its atmospheric concentrations are linked not to human activities directly, but rather to the warming that results from the other greenhouse gases we emit. Warmer air holds more water.
Answer:
enzyme are protein that speed chemical reaction ..
