1. which of the following is not true about feedback inhibitation? a it is a response...
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which of the following is not true about feedback inhibitation?
a it is a response...
From the following which is true about cellular respiration (select all that apply) 1. In prokaryotes,...
From the following which is true about cellular respiration (select all that apply) 1. In prokaryotes, the electrons transport is in the plasma membrane 2. Prokaryotic fermentation net yield is 4 ATP and oxidative respiration has 32 ATP 3. The major regulatory enzyme of glycolysis is Hexokinase 4. Substrate-level phosphorylation is catalyzed by kinase and transfers the phosphate group from an intermediate in a metabolic pathway directly to a molecule of ADP
Which of the following is true regarding feedback inhibition? (All/more than one may be correct) A....
Which of the following is true regarding feedback inhibition? (All/more than one may be correct) A. Enzymes are inhibited B. The final product of metabolic pathway is the inhibitor C. Inhibition occurs early in the metabolic pathway
12. Which of the following statements is true of enzyme catalysts? A B C To be...
12. Which of the following statements is true of enzyme catalysts? A B C To be effective, they must be present at the same concentration as their substrate. They can increase the equilibrium constant for a given reaction by a thousand-fold or more. They lower the activation energy for conversion of substrate to product. Their catalytic activity is independent of pH. They are generally equally active on D and L isomers of a given substrate. D E 13. In competitive...
From the following which is true about cellular respiration (select all that apply) 1. In prokaryotes,...
From the following which is true about cellular respiration (select all that apply) 1. In prokaryotes, the electrons transport is in the plasma membrane 2. Prokaryotic fermentation net yield is 4 ATP and oxidative respiration has 32 ATP 3. The major regulatory enzyme of glycolysis is Hexokinase 4. Substrate-level phosphorylation is catalyzed by kinase and transfers the phosphate group from an intermediate in a metabolic pathway directly to a molecule of ADP B) Which statement is false about phosphate esters...
Which of the following is true about allosteric enyzmes? A) They typically catalyze the last reaction...
Which of the following is true about allosteric enyzmes? A) They typically catalyze the last reaction in a metabolic pathway since it is the critical step in the synthesis of the desired end product. B) They can have one subunit or several, depending on their catalytic needs. C) Their activity is often altered by a downstream product to form a feedback regulatory loop. D) They show a hyperbolic activity curve that increases with high levels of substrate. E) A and...
no explaination is needed 28) Which of the following is true for all exergonic reactions? A)...
no explaination is needed
28) Which of the following is true for all exergonic reactions? A) The reaction proceeds with a net release of free energy B) The products have more total energy than the reactants. C) A net input of energy from the surroundings is required for the reactions to proceed. D) The reactions are nonspontaneous 29) When ATP releases some energy, it also releases Inorganic phosphate. What purpose does this serve (if any) in the cell? A) It...
Tele No The first law of thermodynamics states that energy cannot be created or destroyed. If...
Tele No The first law of thermodynamics states that energy cannot be created or destroyed. If this is the case, why is it said that "energy does not cycle"? 1. 2. In the body, glucose can be broken down via cellular respiration to provide energy, or it can be built into chains of glycogen (or starch for plants) and stored. What determines which reaction glucose undergoes? 3. In the following metabolic pathway, we normally get the final product "G." A-F...
1) A decrease in entropy is associated with which type of reaction? A) dehydration B) catabolic...
1) A decrease in entropy is associated with which type of reaction? A) dehydration B) catabolic C) depolymerization D) hydrolysis 2) Which of the following statements is an important consequence of the first law of thermodynamics for a living organism? A) The energy content of an organism is constant. B) An organism ultimately must obtain all of the necessary energy for life from its environment. C) The entropy of an organism decreases with time as the organism grows in complexity....
just the prelab worksheet, no data yet Lab Six: Fermentation Learning Objectives: • Explain the biochemistry...
just the prelab worksheet, no data yet
Lab Six: Fermentation Learning Objectives: • Explain the biochemistry of fermentation, substrates and products, conditions, and purpose for cells • Describe alcoholic fermentation of yeast, naming reactants and products Perform a pre-designed experiment to measure the rate of yeast fermentation of glucose under two different conditions. Propose hypotheses and make predictions based on them. Design and perform a novel experiment to test additional substrates for yeast fermentation using findings of the pre-designed experiment....
1. Given the following peptide, which of the following statements is true? Question options: a) The...
1. Given the following peptide, which of the following
statements is true?
Question options:
a) The N-terminal residue is leucine.
b)This peptide contains 4 amino acid residues.
c) The peptide contains a total of 6 ionizable groups.
d) The net charge of this peptide at pH 7 is +1 Locate any
peptide bond along the backbone of the given peptide.
e) The bond between the C (of the C=O) and the N (of the N-H) of
a peptide bond has...
12. Which of the following statements is true of enzyme catalysts? A B C To be effective, they must be present at the same concentration as their substrate. They can increase the equilibrium constant for a given reaction by a thousand-fold or more. They lower the activation energy for conversion of substrate to product. Their catalytic activity is independent of pH. They are generally equally active on D and L isomers of a given substrate. D E 13. In competitive...
Which of the following is true about allosteric enyzmes? A) They typically catalyze the last reaction in a metabolic pathway since it is the critical step in the synthesis of the desired end product. B) They can have one subunit or several, depending on their catalytic needs. C) Their activity is often altered by a downstream product to form a feedback regulatory loop. D) They show a hyperbolic activity curve that increases with high levels of substrate. E) A and...
no explaination is needed
28) Which of the following is true for all exergonic reactions? A) The reaction proceeds with a net release of free energy B) The products have more total energy than the reactants. C) A net input of energy from the surroundings is required for the reactions to proceed. D) The reactions are nonspontaneous 29) When ATP releases some energy, it also releases Inorganic phosphate. What purpose does this serve (if any) in the cell? A) It...
Tele No The first law of thermodynamics states that energy cannot be created or destroyed. If this is the case, why is it said that "energy does not cycle"? 1. 2. In the body, glucose can be broken down via cellular respiration to provide energy, or it can be built into chains of glycogen (or starch for plants) and stored. What determines which reaction glucose undergoes? 3. In the following metabolic pathway, we normally get the final product "G." A-F...
1) A decrease in entropy is associated with which type of reaction? A) dehydration B) catabolic C) depolymerization D) hydrolysis 2) Which of the following statements is an important consequence of the first law of thermodynamics for a living organism? A) The energy content of an organism is constant. B) An organism ultimately must obtain all of the necessary energy for life from its environment. C) The entropy of an organism decreases with time as the organism grows in complexity....
just the prelab worksheet, no data yet
Lab Six: Fermentation Learning Objectives: • Explain the biochemistry of fermentation, substrates and products, conditions, and purpose for cells • Describe alcoholic fermentation of yeast, naming reactants and products Perform a pre-designed experiment to measure the rate of yeast fermentation of glucose under two different conditions. Propose hypotheses and make predictions based on them. Design and perform a novel experiment to test additional substrates for yeast fermentation using findings of the pre-designed experiment....
1. Given the following peptide, which of the following
statements is true?
Question options:
a) The N-terminal residue is leucine.
b)This peptide contains 4 amino acid residues.
c) The peptide contains a total of 6 ionizable groups.
d) The net charge of this peptide at pH 7 is +1 Locate any
peptide bond along the backbone of the given peptide.
e) The bond between the C (of the C=O) and the N (of the N-H) of
a peptide bond has...
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