1. Atp synthase is an enzyme in the. C

A. NUCLEUS
B. CELL MEMBRANE
C. MITOCHONDRIAL MEMBRANE
D. MITOCHONDRIAL MATRIX

2. Each condon on a(n) ____ molecule encodes for ___ amino acids. B

A. mRNA...one
B. mRNA....three
C. tRNA...three
D. tRNA...one

3. Two molecules of ____ are produced by glycolysis. Each molecule has ____ carbons. C

A. Oxaloacetate...4
B. Citrate...3
C. Pyruvate...3
D. Acetate...4

4. Oxaloacetate combines with acetyl coA at the beginning of. D

A. Electron transport chain
B. Glycolysis
C. Transcription
D. Krebs cycle

5. Which nitrogenous base is not present in ribonucleic acid? D

A. Fuanine
B. Uracil
C. Cytosine
D. Thymine