The enzyme responsible for converting pyruvate to acetyl CoA is called
A. ATP synthase.
B. peptidase.
C. pyruvate dehydrogenase.
D. pyruvate oxidase
E. hexokinase
Answer: C
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Certain complexes of the mitochondrial electron transport chain pump protons. Which of the following best describes the movement of protons in this situation?
A. across the outer mitochondrial membrane, from the cytoplasm to the intermembrane space B. across the outer mitochondrial membrane, from the intermembrane space to the cytoplasm C. across the inner mitochondrial membrane, from the intermembrane space to the matrix D. across the inner mitochondrial membrane, from the matrix to the intermembrane space
The pancreatic duct and common bile duct join and then empty into this organ.
A) Large intestine B) Stomach C) Esophageal cancer D) Appendix E) Mouth F) Salivary glands G) Rectum H) Cirrhosis I) Gallbladder J) Small intestine
The process of 'crossing over':
a. generally results in binary fission b. involves nucleoli c. involves breakages and exchanges being made between sister chromatids d. involves breakages and exchanges being made between homologous chromosomes e. involves random assortment of homologues during metaphase
Which of the following is NOT typically carried by the blood?
A. heat B. hormones C. proteins D. starch