{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

img286 - 21 Which of the following statements about the...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 21. Which of the following statements about the regulation of enzyme activity is (are) TRUE? . a) a competitive inhibitor binds at the active site of the enzyme b) an allosteric enzyme exhibits a sigmoidal rate of enzyme activity as a function of substrate concentration ‘ c) a noncompetitive inhibitor binds to a site away from the active site d both a and c are correct g all of the above are correct ' 22. Oxidation. a) is the loss of one or more electrons b) is usually an endergonic processmt, ,Qpfllsm'u olL occurs when a molecule loses hydrogen atoms - 1 0%“ both a and c are correct . ' o‘t‘ ' all of the above are correct ' ' M c we r 23. Which of the folloWing statements about NAD+ is— tfiare) TRUE? ‘ < / a is a 1educing agent “m, 1 3,1 g . x b) serves as a coenZyrne , ) is p1esent in mitochondria but not in cytoplasm Oil"? d) both a and c are correct . ((5, out) e) all of the above are correct 24. Which statementCs) ab tthe Krebs cycle' 1s (are) , a) produces C02 fa fit? b) oxidation of pyruvateg crenerates acetyl coenzyme A which enters the Krebs cycle / c) produces GTP ’ . d both a and c are correct all of the above are correct 25. Which statement about glycolysis is FALSE? . ' a) results in the oxidation of glucose tvwgpw fflfl’ 9? requires oxygen occurs in the cytoplasm d) generates ATP e) leads to formation of pyruvate ,._.. 26. Which statement about chemiosmosis 15w Hut :1) occurs in mitochondria / b) ATP synthase couples movement of protons against their concentration gradient to ATP synthesis protons are pumped across the membrane to create a proton gradient 1/ é, both a and c are correct _- ...
View Full Document

{[ snackBarMessage ]}