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Top of Form Question 1 2 / 2 points Of the two main metabolic pathways, the anabolic chemical reactions result in the breakdown of more complex organic molecules into simpler substances. True or False Question options: True False View Feedback Question 2 2 / 2 points Which of these is an endergonic reaction : Question options: Anabolic Are also biosynthetic reactions. Arrangement of monomers into polymers Require an input of energy All of these are endergonic Question 3 2 / 2 points Which of these is the oxidized form of the electron carrier and thus has less energy? Question options: NAD+ NADH O2 NADPH Question 4 2 / 2 points In oxidation -reduction reactions, each time a substance is oxidized, another is simultaneously reduced. Which of the below substances is in the reduced form and therefore the electron donor? Question options: NAD+ NADP+ FAD+ NADH Question 5 2 / 2 points What is the name of the pathway in the diagram labeled #2? Question options: Krebs cycle Fermentation Glycolysis Electron Transport Chain Question 6 2 / 2 points How many ATP are produced in pathway #2? Question options: 6 ATP ATP 4 ATP 0 ATP 2 ATP Question 7 2 / 2 points How many ATP are produced in pathway #1? Question options: 1 ATP 0 ATP 6 ATP 4 ATP 2 ATP Question 8 0 / 2 points How many ATP are produced in pathway #3 for eukaryotic organisms? Question options: 32 ATP 30 ATP 72 ATP 6 ATP 34 ATP Question 9 0 / 2 points How many NADH are produced in pathway #3 for eukaryotic organisms? Question options: 1000’s of NADH 4 NADH 0 NADH 6 NADH 32 NADH Question 10 2 / 2 points How many NADH are produced in pathway #1 and pathway #2 (up to and including pathway #2) for aerobic organisms? Question options: 14 NADH 12 NADH 10 NADH 6 NADH 36 of NADH Question 11 2 / 2 points In Figure 5.8, where is ATP produced? Question options: B C D E Question 12 2 / 2 points In Figure 5.8, what is the name of the enzyme where the ATP is produced? Question options: dehydrogenase oxidase synthase sucrase Question 13 0 / 2 points In Figure 5.8, what flows through the membrane proteins that creates the energy through a redox reaction? Question options: water electrons oxygen NADH Question 14 0 / 2 points Most of the CO2 produced in aerobic respiration is during ___________________. Question options: Glycolysis the formation of Acetyl CoA the Krebs cycle the ETC Question 15 2 / 2 points Most of the NADH produced in aerobic respiration is during ___________________. Question options: Glycolysis the formation of Acetyl CoA the Krebs cycle the ETC Question 16 2 / 2 points Most of the ATP produced in aerobic respiration is during ___________________. Question options: Glycolysis the formation of Acetyl CoA the Krebs cycle the ETC Question 17 2 / 2 points Glycolysis can happen with or without oxygen. True or False Question options: True False Question 18 2 / 2 points In Bacteria the electron transport chain is located in the ______________________________. Question options: mitochondria inner membrane ribosomes cell wall plasma membrane Question 19 2 / 2 points In Eukaryotic organisms the electron transport chain is located in the ______________________________. Question options: mitochondria inner membrane mitochondria matrix nuclear membrane plasma membrane Question 20 2 / 2 points During Aerobic respiration, Bacteria are more efficient at producing ATP from one molecule of glucose than for example animal cells. True or False Question options: True False Question 21 2 / 2 points Which microorganism is likely to be killed by atmospheric Oxygen? Question options: microaerophile facultative anaerobe obligate anaerobe obligate aerobe Question 22 0 / 2 points The organisms that are likely to grow in refrigerator temperatures are called __________________________. Question options: psychrotrophs psychrophiles mesophiles thermophiles Question 23 2 / 2 points The organisms that are likely to grow in body temperatures are called __________________________. Question options: psychrotrophs psychrophiles mesophiles thermophiles Question 24 0 / 2 points Most bacteria grow best at pH of 6.5 to pH 7.5. True or False Question options: True False Question 25 2 / 2 points Salts and sugars work to perserve food by creating _________________ environment. Question options: a hypotonic a hypertonic an isotonic a nutrient depleted Question 26 2 / 2 points Most bacteria grow the best at what salt concentration (%NaCl)? Question options: 10% 1-3% 0% 7% Question 27 2 / 2 points What molecule is not required by fermentation? Question options: glucose oxygen pyruvate NADH Question 28 2 / 2 points Fungal organisms will always grow best in media that is approximately pH 8. Question options: True False View Feedback Question 29 2 / 2 points A molecule of ADP that accepts a phosphate becomes ___________________________. Question options: reduced oxidized hydrolyzed phophorylated Question 30 0 / 2 points Bacteria exhibit what phase of growth when there is no new growth (number of cell deaths equal numbers of new cells). Question options: log lag decline stationary Question 31 0 / 2 points Bacteria exhibit what phase of growth when there is no growth observed but cells are acclimating to new media. Question options: stationary decline log lag Question 32 0 / 2 points Bacteria exhibit what phase of growth when there is some members that survive even in their own waste. Question options: lag prolonged decline stationary log Question 33 2 / 2 points Bacteria exhibit what phase of growth when there is an observed doubling of cell numbers. Question options: log lag stationary prolonged decline Question 34 0 / 2 points An experiment began with 2 cells and ended with 128 cells, how many generations did the cells go through? Question options: 6 7 8 10 Question 35 0 / 2 points In Figure 6.1 , which growth curve best depicts an obligate anaerobe in the presence of O2? Question options: growth curve A growth curve B growth curve C none of these Question 36 0 / 1 point Which organism would not possess SOD and therefore be unable to withstand atmospheric O2? Question options: microaerophile obligate anaerobe aerotolerant anaerobe obligate aerobe facultative anaerobe Question 37 0 / 2 points Complex media is an example of defined media. True or False Question options: True False Question 38 2 / 2 points Biofilms can grow in the body and as well as in the environment. True or False Question options: True False View Feedback Question 39 2 / 2 points Staphylococcus aureus is capable of growth on nutrient agar containing 10% salt. This medium is described as a/an: Question options: Differential media. Selective media. Complex media. Chemically-defined media. Enrichment media. Question 40 2 / 2 points Scenario: You run to subway and order your favorite turkey and cheese sandwich. The cook behind the counter forgets to wear gloves and adds the cheese to the bread there by introducing 100 bacteria cells to the bread. You plan to eat the sandwich in two hours. Calculation: The Staph bacteria have a fifteen-minute generation time. How many bacteria will have grown on your sandwich in that two-hour time if the initial number introduced is 100 cells? Question options: 12,800 2,560 25,600 256,000 2,560,000 Question 41 1 / 1 point There is no evidence that taking an iron containing vitamin during an active bacterial infection will make your infection worse. True or False Question options: True False
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