Which one of the following enzymatic reactions is reversible? ( ) A: The reaction catalyzed by glycogen phosphorylase B: The reaction catalyzed by phosphoglycerate kinase C: The reaction catalyzed by pyruvate kinase D: The reaction catalyzed by fructose bisphosphatase-1 E: The reaction catalyzed by hexokinase

All chemical reactions in the body are catalyzed by enzymes. A: 正确 B: 错误

Which of the following reactions cannot be catalyzed by reverse transcriptase?() A: RNA→RNA-DNA B: RNA-DNA→DNA C: DNA→DNA-DNA D: DNA→RNA

The reaction catalyzed by lysozyme is a ____________: the enzyme adds a molecule of water to a single bond between two adjacent sugar groups in the polysaccharide chain, thereby causing the bond to break.

In the following descriptions of DNA polymerase and RNA polymerase, the error is: ( ) A: RNA polymerase requires primers B: DNA polymerase can synthesize DNA using RNA as a template C: The extension direction of the new chain catalyzed by both enzymes is 5'-3'. D: RNA polymerase uses NDP as raw material.