When an enzyme catalyzing a catabolic reaction changes conformation to an induced fit with the substrate,
A. it strengthens the chemical bonds in the enzyme so that it remains perpetually active.
B. it stresses chemical bonds in the substrate, making it easier to break them.
C. it strengthens chemical bonds in the substrate so that cofactors can act on it.
D. it stresses chemical bonds in the enzyme so that the enzyme breaks into two catalytic subunits.
B
You might also like to view...
Optic nerve fibers cross over in the thalamus.
Answer the following statement true (T) or false (F)
Diffuse lymphoid tissue includes
A) tonsils, GALT (gut-associated lymphoid tissue), and the spleen. B) tonsils and GALT (gut-associated lymphoid tissue). C) tonsils. D) the spleen. E) GALT (gut-associated lymphoid tissue).
Which of the following empties directly into the hepatic portal vein?
A) lumbar veins B) the suprarenal veins C) superior mesenteric vein D) hepatic veins E) None of the answers are correct.
The ________ plexus contains the parasympathetic outflow of the pelvic nerves, sympathetic postganglionic fibers from the inferior mesenteric ganglion, and splanchnic nerves from the sacral sympathetic chain.
Fill in the blank(s) with the appropriate word(s).