Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Textbook Question
Chapter 4, Problem 10RQ
Chemiosmosis involves
a. the movement of electrons across the cell membrane.
b. the movement of hydrogen atoms across a mitochondrial membrane.
c. the movement of hydrogen ions across a mitochondrial membrane.
d. the movement of glucose through the cell membrane.
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During cell respiration, what happens to the strength of the bonds between atoms in glucose vs those in the products water and carbon dioxide? Choose all answers that are correct.
a. the carbon-hydrogen bonds in glucose are stronger than the carbon-oxygen bonds in carbon dioxide
b. an oxidizing agent
c.the carbon-hydrogen bonds in glucose are weaker than the carbon-oxygen bonds in carbon dioxide
d.the carbon-hydrogen bonds in glucose are weaker than the oxygen-hydrogen bonds in water
e.the carbon-hydrogen bonds in glucose are stronger than the oxygen-hydrogen bonds in water
Which of the following is incorrect regarding ATP?a. It is the energy currency of the cell.b. It is stable.c. It is recycled using ADP and inorganic phosphate.d. Cells keep only small amounts of ATP on hand.
What would be the effect on ATP production during chemiosmosis and oxidative phorphorylation, if the pH within the inner membrane space of the mitochondrion were decreased, assuming no effect of pH on the structure of proteins in the membrane?
a) it would increase
b) it would decrease
c)it would stay the same
Chapter 4 Solutions
Concepts of Biology
Ch. 4 - Figure 4.6 Look at each of the processes shown and...Ch. 4 - Figure 4.15 Cyanide inhibits cytochrome c oxidase,...Ch. 4 - Figure 4.16 Tremetol, a metabolic poison found in...Ch. 4 - Which of the following is not an example of an...Ch. 4 - Which of the following is not true about enzymes?...Ch. 4 - Energy is stored long-term in the bonds of _____...Ch. 4 - The energy currency used by cells is _____. a. ATP...Ch. 4 - The glucose that enters the glycolysis pathway is...Ch. 4 - What do the electrons added to NAD do? a. They...Ch. 4 - Chemiosmosis involves a. the movement of electrons...
Ch. 4 - Which of the following fermentation methods can...Ch. 4 - The cholesterol synthesized by cells uses which...Ch. 4 - Beta oxidation is ______. a. the breakdown of...Ch. 4 - Does physical exercise to increase muscle mass...Ch. 4 - Explain in your own terms the difference between a...Ch. 4 - With regard to enzymes, why are vitamins and...Ch. 4 - Both prokaryotic and eukaryotic organisms carry...Ch. 4 - We inhale oxygen when we breathe and exhale carbon...Ch. 4 - When muscle cells run out of oxygen, what happens...Ch. 4 - Would you describe metabolic pathways as...
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