22. A mutant algae has some of its mitochondria missing with inner mitochondrial membrane. Which of the following processes would be completely affected in these mitochondria? A. alcoholic fermentation B. biosynthesis C. glycolysis D. electron transport chain
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- 19. which of the following occurs as minute globules in the protoplasm?a. enzymes b. fats and oilsc. pigmentsd. proteins20. this non-protoplasmic content is secreted by the chloroplasts which is responsible for photosynthesis?a. enzymesb. fats and oils c. pigmentsd. proteinsWhen making bread with common yeast, the reaction starts as an aerobic process and then becomes an anaerobic process after the oxygen is spent. A baker has created a new strain of yeast which contains no cytochrome c gene and, thus, no cytochrome c protein. This will affect what the yeast strain can do to obtain energy. What will this yeast strain do more of, compared to a normal strain? A. electron transport B. carbon dioxide production C. fermentation D. ATP synthesis1. Boiling the solution (water + glucose + yeast + heat) had not impact on the ability of yeast to undergo fermentation. True or false? 2. The pH of the solution was acidic in the flasks in which fermentation occurred. True or false? 3. In the absence of oxygen, yeast cells can obtain energy by fermentation, resulting in the production of _______. A. ATP, carbon dioxide, and ethanol (ethyl alcohol) B. none of the above C. ATP, NADH, and water D. ATP and carbon dioxide
- 60. The equation below summarizes the process that produces the flashing light of a firefty. The molecule luciferin is broken down, and energy is released in the form of heat and light. In this process, luciferase functions as ATP luciferin heat + light huciferase a. a reactant and source of energy C. a product which is the energy itself b. a starch which is acted upon by an enzyme d. an enzyme that catalyzes the reaction1. A cell within a multicelled heterotroph that requires lots of energy: a. is larger than those that need little energy. b. is packed with chloroplasts. c. is packed with golgi bodies. d. is packed with mitochondria. 2. Glycolysis yields: a. more ATP than a cell needs to survive b. 36 ATP only when O2 is used during this process c. 2 ATP in both aerobic and anaerobic organisms d. less ATP than it uses up during the process 3. Photosynthesis provides the following to living systems: a. lipids and oxygen. b. atmospheric oxygen and chemical energy c. organic "fixed" carbon. d. hydrophyllic compounds. e. b and c 4. Gamma rays: a. are necessary for plants to photosynthesize b. cause cells to begin to divide c. are high energy short wavelength rays from the sun d. are low energy long wavelengths rays…E.coli can grow using various strategies to harvest energy. It can use fermentation pathways or cellular respiration either anaerobic or aerobic cellular respiration. Which pathway would provide the bacteria with the most loaded up ATP and why? A. Fermentation Because it harvests the most ATP B. Anaerobic cellular respiration Because this is the quickest way to get ATP C. Fermentation Because they use the energy in lactic acid D. Aerobic cellular respiration Because oxygen is the best, most efficient electron acceptor to ultimately load up ATP
- 1. Compare cellular respiration and photosynthesis. Which processes or structures are used in both in order to generate ATP? Select all that applay A. Chemiosmosis B. Substrate level phosphorylation C. Splitting of water to generate electrons D. An electron transport chain E. ATP synthaseYeast is a facultative anaerobe. This means that alcohol fermentation takes place only if: a. the temperature is close to 37°C b. the atmosphere does not contain oxygen c. sugar is provided to the cells d. light is provided to the cellsFor chemical thermodynamic reasons that have nothing to do with biological issues, only certain energy source=TEA reactions can be used to obtain energy. Which of the following energy source-TEA combinations is NOT used by any prokaryote to obtain energy? A.Molecular hydrogen-carbon dioxide B. Ferric iron-nitrate C.Hydrogen sulfide- molecular oxygen D.Ammonium-nitrite
- 2. Glycolysis yields: a. more ATP than a cell needs to survive b. 36 ATP only when O2 is used during this process c. 2 ATP in both aerobic and anaerobic organisms d. less ATP than it uses up during the process 3. Photosynthesis provides the following to living systems: a. lipids and oxygen. b. atmospheric oxygen and chemical energy c. organic "fixed" carbon. d. hydrophyllic compounds. e. b and c 4. Gamma rays: a. are necessary for plants to photosynthesize b. cause cells to begin to divide c. are high energy short wavelength rays from the sun d. are low energy long wavelengths rays from the sun1. Which of the following statements is a correct distinction between autotrophs and heterotrophs? A. Only heterotrophs have mitochondria. B. Cellular respiration is unique to heterotrophs. C. Only heterotrophs require chemical compounds from the environment. D. Autotrophs, but not heterotrophs, can nourish themselves beginning with CO2 and other nutrients that are inorganic. 2. Which of the following is not a true statement regarding the difference between DNA and RNA? A. DNA is found in a helical structure while RNA is usually single stranded. B. In DNA, the base thymine is substituted for uracil which is found in RNA. C. RNA contains the nucleic acids adenosine, guanine, cytosine, and uracil while DNA only contains thymine. D. The sugar in RNA is ribose which has a hydroxyl group that interferes with the formation of long helical structures while DNA contains the sugar deoxyribose. 3. Which statement about thylakoids in eukaryotes is not correct? A. Thylakoids contain chlorophyll.…1. Which pigment is dominant in red algae? A. Oxidator B. Hydrator C. Carbonation D. Phycoerythrin 2. Which process during photosynthesis involves the addition of hydrogen? A. Oxidator B. Hydrator C. Carbonation D. Reduction 3. The dark reaction phase of photosynthesis consists of a series of chemical reactions which end up with the formation of a 3-carbon sugar called A. ADP B. NADPH C. ATP D. PGAL
