Biol1510_sample_Exam3-1

Biol1510_sample_Exam3-1 - 1 During photorespiration rubisco...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
1. During photorespiration, rubisco uses _______ as a substrate. A) CO 2 B) O 2 C) glyceraldehyde 3-phosphate D) 3-phosphoglycerate E) NADPH
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
2. In bright light, the pH of the thylakoid space A) can become more acidic. B) can become more alkaline. C) stays the same; the pH of the thylakoid space never changes. D) can become neutral. E) None of the above 3. The portion of aerobic respiration that produces the most ATP per mole of glucose is A) respiratory chain and oxidative phosphorylation. B) the citric acid cycle. C) glycolysis. D) lactic acid fermentation. E) alcoholic fermentation. 4. For glycolysis to continue, all cells require A) a respiratory chain. B) oxygen. C) mitochondria. D) chloroplasts. E) NAD + . 5. The plasma membranes of winter wheat are able to remain fluid when it is extremely cold by A) increasing the number of cholesterol molecules present. B) closing protein channels. C) decreasing the number of hydrophobic proteins present. D) replacing saturated fatty acids with unsaturated fatty acids. E) using fatty acids with longer tails. 6. Active transport is important because it can move molecules A) from their high concentration to a lower concentration. B) from their low concentration to a higher concentration. C) that resist osmosis across the membrane. D) with less ATP than might otherwise be needed to move the molecules. E) by increasing their diffusion coefficient. 7. In glycolysis, the exergonic reaction 1,3-diphosphoglycerate 3-phosphoglycerate is coupled to the reaction ADP + P i ATP. Which of the following is most likely to be true about the reaction ADP + P i ATP? A) The reaction never reaches equilibrium. B) The reaction is spontaneous. C) There is a large decrease in free energy. D) The reaction is endergonic.
Background image of page 2
E) Temperature will not affect the rate constant of the reaction. 8. The change in free energy is related to a A) change in heat. B) change in entropy. C) change in pressure. D) Both a and b E) a, b, and c 9. What is the major distinction between prokaryotic and eukaryotic cells? A) A prokaryotic cell does not have a nucleus, whereas a eukaryotic cell does. B) A prokaryotic cell does not have DNA, whereas a eukaryotic cell does. C) Prokaryotic cells are smaller than eukaryotic cells. D) Prokaryotic cells have not prospered, whereas eukaryotic cells are evolutionary “successes.” E) Prokaryotic cells cannot obtain energy from their environment. 10. Members of the domains Bacteria and Archaea A) have nuclei. B) have chloroplasts. C) are multicellular. D) are prokaryotes. E) have flagella. 11. Roles of biological membranes in eukaryotic cells include which of the functions listed below? A) Separating a cell from its environment B) Selecting what goes into and out of the cell C) Maintaining a constant internal environment D) Communicating with adjacent cells E) All of the above 12. You look at the label on a container of margarine and see “hydrogenated vegetable oil.” This means that during processing the number of carbon–carbon double bonds in the oil
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

Page1 / 10

Biol1510_sample_Exam3-1 - 1 During photorespiration rubisco...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online