Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 7, Problem 15RQ
Beta-oxidation is.
- the breakdown of sugars
- the assembly of sugars
- the breakdown of fatty acids
- the removal of amino groups from amino acids
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Most amino acids are taken up by cells for protein synthesis. Some get broken down to ______ and ___________ to make ATP or to be converted into fat for storage.
Which coenzymes are needed for fatty acid synthesis? Choose all that applies.
NADH
FADH2
NADPH
biotin
lipoic acid
Which statement is true?
A person obtains all of the body's coenzymes from their food..
Enzymes are specific in their catalytic function.
Enzymes decrease the rate of a chemical reaction.
All enzymes need to have chemical cofactors to function properly.
Chapter 7 Solutions
Biology 2e
Ch. 7 - Figure 7.11 Dinitrophenol (DNP) is an "uncoupler"...Ch. 7 - Figure 7.12 Cyanide inhibits cytochrome c oxidase,...Ch. 7 - (Figure 7.14) Tremetol, a metabolic poison found...Ch. 7 - The energy currency used by cells is ATP ADP AMP...Ch. 7 - A reducing chemical reaction. reduces the compound...Ch. 7 - During the second half of glycolysis, what occurs?...Ch. 7 - What is removed from pyruvate during its...Ch. 7 - What do the electrons added to NAD+ do? They...Ch. 7 - GTP or ATP is produced during the conversion of...Ch. 7 - How many NADU molecules are produced on each turn...
Ch. 7 - What compound receives elections from NADH? FMN...Ch. 7 - Chemiosmosis involves. the movement of electrons...Ch. 7 - Which of the following fermentation methods can...Ch. 7 - A major connection for sugars in glycolysis is...Ch. 7 - Beta-oxidation is. the breakdown of sugars the...Ch. 7 - The effect of high levels of ADP is to__inv __...Ch. 7 - The control of which enzyme exerts the most...Ch. 7 - Why is it beneficial for cells to use ATP rather...Ch. 7 - Nearly all organisms on Earth carry out some form...Ch. 7 - Because they lose their mitochondria during...Ch. 7 - What is the primary difference between a circular...Ch. 7 - How do the roles of ubiquinone and cytochrome c...Ch. 7 - What accounts for the different number of ATP...Ch. 7 - What is the primary difference between...Ch. 7 - Would you describe metabolic pathways as...Ch. 7 - How does citrate from the citric acid cycle affect...Ch. 7 - Why might negative feedback mechanisms be more...
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- Which of the following statements is not true? Metabolic pathways _____. a. occur in a stepwise series of chemical reactions b. are speeded up by enzymes c. may break down or assemble molecules d. always produce energy (such as ATP)arrow_forwardWhich molecules can enter the Krebs cycle? chylomicrons acetyl CoA mono glycerides ketone bodiesarrow_forwardB complex vitamins major function is to_____ Group of answer choices All of the above Act as Co-Enzymes Participate in production of ATP Transform energyarrow_forward
- Which of the following statements about the ketone bodies is/are TRUE? Produced during starvation and in diabetic patients Excess is transformed to acetone or hydroxybutyrate. Extreme amount of ketone bodies may cause ketosis in diabetics. Occurs during a high-lipid and low-protein diet.arrow_forwardAn enzyme with high activity in an acidic environment would be _____________________ pepsin amylase gatrin sucrase trypsinarrow_forwardBeta-carotene is the precursor of which vitamin? A. Vitamin A B. Vitamin B C. Vitamin E D. Vitamin Carrow_forward
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