Biology And Biomedical Sciences BIOL 2960 Study Guide - Final Guide: Light-Dependent Reactions, C3 Carbon Fixation, Radiant Energy

Where does each of these processes take place within the cell? Possible answers: cytosol, mitochondrial matrix, lysosome, nucleus, inner mitochondrial membrane, outer mitochondrial membrane, mitochondrial intermembrane space

1. Glycolysis cytosol

2. citric acid cycle Mitochondrial Matrix

3. conversion of pyruvate to activated acetyl groups

4. oxidation of fatty acids to acetyl CoA

5. glycogen breakdown

6. release of fatty acids from triacylglycerols

7. oxidative phosphorylation

1.) 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 inter membrane space

2.) Which regulatory mechanism is activated when the overall energy availability of a cell is high?

a.) Citrate inhibits phosphofructokinase-1.

b.) ADP up-regulates phosphofructokinase-1.

c.) ATP inhibits phosphofructokinase-1.

d.) AMP up-regulates phosphofructokinase-1.

3.) Electron carriers are oxidized during which of the following reactions?

a.) glycolysis

b.) citric acid cycle

c.) electron transport chain

d.) the conversion of pyruvate to acetyl coA

e.) all of the above

1) In Eukaryotic cells, Glycolysis occurs in the __________,Pyruvate Oxidation and the Citric Acid Cycle occur in the ________,and the electron transport chain is in the _____________.

a) Mitochondrial matrix; Mitochrondrial inner membrane;Cytoplasm

b) Cytoplasm; Mitochrondrial inner membrane; Mitochondiralmatrix

c) Mitochrondrial inner membrane; Cytoplasm; Mitochondrialmatrix

d) Cytoplasm; Mitochondrial matrix; Mitochrondrial innermembrane

e) Mitochrondrial inner membrane; Mitochondrial Matrix;Cytoplasm

2) We can detect tyrosinase among thousands of other proteins ina mushroom extract (in a solution or in-gel) because:

a) Its bigger than other proteins

b) Its smaller than other proteins

c) Its more charged than other proteins

d) It reacts with a specific substrate to produce a coloredproduct

e) It converts a specific colored substrate to a colorlessproduct

3) The highest energy carrier (transfer molecule) in cellsis:

a) NADH

b) FADH2

c) ATP

d) GTP

e) Acetyl- coA