Business Starbucks Review – Sunday 1 pm (I-10 and Garth) Starbucks Review – Sunday 1 pm (I-10 and Garth) Test – Monday Test – Monday “Lab” – Tuesday “Lab” – Tuesday

For the lab… For your group’s results, write a statement about what your results would indicate, then DISCUSS (which means give several reasons and explanations why your results may have turned out that way and DISCUSS at least 3 improvements for the lab design For your group’s results, write a statement about what your results would indicate, then DISCUSS (which means give several reasons and explanations why your results may have turned out that way and DISCUSS at least 3 improvements for the lab design Results = statement Results = statement Explanation = discussion Explanation = discussion Improvements = discussion Improvements = discussion

Leave room for your discussion… Write how the following SHOULD have affected the rate of photosynthesis: Write how the following SHOULD have affected the rate of photosynthesis: Increased light intensity  Increased light intensity  Red, yellow, green, blue, clear light  Red, yellow, green, blue, clear light  Increased CO 2 concentration  Increased CO 2 concentration  Darker leaved plants (spinach vs. tree)  Darker leaved plants (spinach vs. tree)  Increased temperature  Increased temperature 

ATP, Enzymes, CR, and Photosynthesis Jeopardy Dear plants, thanks for the O 2 Cellular Respiration – so you can live ATP &Enzymes make the biosphere go ‘round Pick-a-Process! Random Trivia

Which of the following is the likely order that the biochemical processes evolved? A. Oxidative phosphorylation, glycolysis, photosynthesis B. Photosynthesis, glycolysis, oxidative phosphorylation C. Glycolysis, oxidative phosphorylation, photosynthesis D. Photosynthesis, oxidative phosphorylation, glycolysis E. Glycolysis, photosynthesis, oxidative phosphorlyation 1,100

Carbohydrate-synthesizing reactions of photosynthesis directly require (A) light (B) products of the light reactions (C) darkness (D) O 2 and H 2 O (E) chlorophyll and CO 2 1,200

The carbon that makes up organic molecules in plants is derived DIRECTLY from (A) combustion of fuels (B) carbon (from CO 2 ) fixed in photosynthesis (C) carbon dioxide produced in respiration (D) carbon in the lithosphere (E) coal mines 1,300

All of the following would INCREASE the production of glucose in photosynthesis EXCEPT (A) Higher concentrations of carbon dioxide in the atmosphere (B) Reduced carbon dioxide concentrations in the air spaces of the leaf (C) Increased intensity of light (D) Increased frequency of stomatal openings (E) More Calvin cycle enzymes (like RuBisco) 1,400

Dichlorophenolindophenol (DPIP) is a blue dye that is decolorized when it is reduced. After being mixed with DPIP, which of the following would show the greatest change in color? (A) Isolated chloroplasts in the light (B) Isolated chloroplasts in the dark (C) Chlorophyll extract in the dark (D) Boiled chloroplasts in the light (E) Boiled chloroplasts in the dark 1,500

Which of the following directly produces the most ATP per mole of glucose during aerobic cellular respiration? (A) Glycolysis (B) Electron transport chain and chemiosmosis (C) Substrate-level phosphorylation (D) Kreb’s Cycle (E) Alcoholic fermentation 2,100

Which metabolic process is common to both aerobic cellular respiration and alcoholic fermentation? 2,200 (A) Krebs cycle (B) Glycolysis (C) Electron transport chain (D) Conversion of pyruvic acid to acetyl CoA (E) Production of a proton gradient

2,300 During respiration, most ATP is formed as a direct result of the net movement of (A.) electrons through a channel (B.) sodium ions into the cell (C.) electrons against a concentration gradient (D.) potassium against a concentration gradient (E.) protons down a concentration gradient

Oxygen consumption can be used as a measure of metabolic rate because oxygen is (A.) necessary for ATP synthesis by oxidative phosphorylation (B.) necessary to replenish glycogen levels. (C.) necessary for fermentation to take place (D.) required by all living organisms (E.) required to break down the ethanol that is produced in muscles 2,400

The pathway to the left is most likely the ______ and is found in the _______. A. Calvin cycle; mitochondria B. Kreb’s cycle; chloroplast C. ETC; mitochondria D. ETC; nucleus E. Kreb’s cycle; mitochondria 2,500

E1 E2 E3 W > X > Y > Z In the series of enzyme reactions shown above, product Z is able to occupy the active site of enzyme E2. Product Z can therefore first inhibit the production of E1 E2 E3 W > X > Y > Z In the series of enzyme reactions shown above, product Z is able to occupy the active site of enzyme E2. Product Z can therefore first inhibit the production of A. W B. E1 C. X D. E2 E. Y 3,100

Which of the following can be used to determine the rate of enzyme- catalyzed reactions? (A) Rate of disappearance of the enzyme (B) Rate of disappearance of the substrate (C) Rate of disappearance of the product (D) Change in volume of the solution (E) Increase of activation energy 3,200

Certain metabolic pathways are affected by the buildup of a product, which interacts with an enzyme catalyzing one of the initial steps of the pathway; this can be an example of (A) transcriptional regulation (B) thermodynamic regulation (C) translational regulation (D) feedback inhibition (E) post-translational modification 3,300

ATP serves as a common energy source for organisms because (A) it is the smallest energy molecule (B) it stores the least energy of any energy source (C) its energy can be easily transferred to do cellular work (D) it is extremely stable and can be stored in the cell for long periods of time (E) traces of it have been found in fossils of ancient organisms dating back to the beginning of life on Earth 3,400

Which of the following is INCORRECT about the diagram to the right? A. The reaction is exergonic. B. “D” represents the net energy change of the reaction. C. “B” represents the activation energy for the enzyme-catalyzed reaction. D. “E” represents the energy released as a result of the reaction. E. All of the above are true. 3,500

Process in which O 2 is released as a by-product of oxidation-reduction reactions (A.) Glycolysis (B.) Krebs cycle (citric acid cycle) (C.) Calvin cycle (light-independent reactions of photosynthesis (D.) Light-dependent reactions of photosynthesis (E.) Chemiosmosis 4,100

Process in which CO 2 is released as a by- product of oxidation-reduction reactions (A.) Glycolysis (B.) Krebs cycle (citric acid cycle) (C.) Calvin cycle (light-independent reactions of photosynthesis (D.) Light-dependent reactions of photosynthesis (E.) Chemiosmosis 4,200

Process in which carbon from CO 2 is incorporated into organic molecules (A.) Glycolysis (B.) Krebs cycle (citric acid cycle) (C.) Calvin cycle (light-independent reactions of photosynthesis (D.) Light-dependent reactions of photosynthesis (E.) Chemiosmosis 4,300

Process found in both photosynthesis and cellular respiration (A.) Glycolysis (B.) Krebs cycle (citric acid cycle) (C.) Calvin cycle (light-independent reactions of photosynthesis (D.) Light-dependent reactions of photosynthesis (E.) Chemiosmosis 4,400

Which of the following can occur WITHOUT oxygen? I. Oxidative phosphorylation II. Glycolysis III. Calvin Cycle IV. Light-dependent reactions V. Fermentation A. I and V only B. III and IV only C. II, III, and IV D. II, III, IV, and V E. II and V only 4,500