Biology question and answers for December 14, 2023
- Q During the intermediate step between glycolysis and Krebs cycle...The 3 carbons in pyruvic acid are eliminated as CO2Pyruvic acid is reduced and decarboxylatedPyruvic acid is oxidized and decarboxylatedPyruvic acid is...
- Q How would you classify the microorganisms in the figure according to their requirement of oxygen?Aerotolerant anaerobeFacultative anaerobeObligate anaerobeObligate aerobeMicroaerophile
- Q If two cultures of a facultative anaerobe were grown under identical conditions except that one was exposed to oxygen and the other was completely deprived of oxygen, what difference would...
- Q The reason that Dinitrophenol can uncouple glucose oxidation and ATP formation is because:1. Dinitrophenol inhibits ATP synthase2. Dinitrophenol binds to proton and carries it across the inner membrane and into...
- Q How is fatty acid metabolic pathway linked to the TCA cycle?1. Fatty acids can be broken down and form acetyl CoA that feed into TCA cycle2. Fatty acids are split...
- Q In an experiment, researchers compared the growth of two different plants, plant X and plant Y. The researchers maintained the plants under nearly identical conditions and observed that plant X...
- Q Which option defines ATP?a molecule used to help chemical reactions progress in a cella molecule used in energy transfers within the cella molecule that allows other molecules to enter and...
- Q Which statement is true? (1 point)Cellular respiration takes place in the cytoplasm and mitochondria.Cellular respiration takes place in the cytoplasm and the Golgi apparatus.Cellular respiration takes place in mitochondria and...
- Q The enzyme located in the inner membrane of the mitochondrium which allows protons to flow back across the membrane forming ATP in the process is calledacetyl coenzyme AATP synthaseprotonasemaltase
- Q Match the organ systems with their functions.Skeletal Muscular Cardiovascular RespiratoryMatch each of the options above to the items below.Calcium storage and hemopoiesisMoves the body and generates heatTransport of nutrients and...
- Q A physiologist observes that as a subject exercises, their rate of breathing increases. The physiologist then comes up with a possible explanation for this observation. In other words, sherejected the...
- Q A coupled reaction always involves:a) an exergonic reaction happening at the same time as an endergonic reactionb) the kinase enzymec) the release of heatd) mechanical work within an organism
- Q Photophosphorylation means:a) ATP is converted into ADP using the energy of the sunb) the same thing as photosynthesisc) ADP is converted into ATP using the energy of the sund) the...
- Q When one molecule of NADH from glycolysis passes through the ETC, it yields:a) 2 molecules of H?O and 2 ATPb) 1 molecule of H?O and 2 ATPc) 1 molecule of...
- Q Adenosine triphosphate (ATP) molecules are used for the synthesis of a large number of biomolecules. Which two actions happen when bonds in ATP molecules are broken? Chemical energy is released.Electrical...
- Q Select all that apply.Which statements correspond to cellular respiration?CO? diffuses passively into the cell.CO? diffuses passively out of the cell.O CO? must be pumped out of the cell.O? diffuses passively...
- Q A family took their newborn to the doctor. They were worried something was wrong because the baby seemed to be in constant pain. He had large amounts of lactic acid...
- Q A student observes that she's always sleepy shortly after eating lunch, and she wants to be able to pay better attention in her mid-afternoon class. She tried doing 10 jumping...
- Q Which of the following best describes the function of the coenzymes NAD+ and FAD in eukaryotic cellular respiration? They participate in hydrolysis reactions by accepting protons from water molecules. They...
- Q The advantage of aerobic cellular respiration to an animal is that the Must always use aerobic respiration for movement Must always use anaerobic respiration for movement Cannot release energy from...
- Q If energy is needed to remove a phosphate group from a chain in ATP, you can conclude that the energy needed for production must befound outside the cell to maintain...
- Q a. Depending on the organism, the optimal pH for enolase to catalyze its reaction is between 6.5 and 8.0. Describe how a pH below or above this range is likely...
- Q ATP is converted into ADP when energy is needed by an organism. If water were not available in the mitochondria, what would most likely happen?Photosynthesis would increase.The organism would lose...
- Q Which of the following process does NOT generate ATP?Oxidative photophosphorylationPyruvate oxidationGlycolysisAll of these options generate ATP ATPKrebs cycle
- Q A bowl of cereal and 40ml of ethanol roughly contain the same amount of potential energy. What is the main difference then between burning ethanol in a petri dish and...
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