Chapter 6 Smartbook
Cellular respiration harvests energy from ______ and uses the energy to power the synthesis of ______ from ADP and a phosphate group.
food molecules; ATP
In fermentation, ______ produced by glycolysis is reduced, and ______ is regenerated, which allows glycolysis to continue to produce a small amount of ATP.
pyruvate; NAD+
What pathway of aerobic cellular respiration generates ATP by chemiosmotic phosphorylation?
electron transport chain
Select the molecules that are products of the Krebs cycle.
- ATP -NADH -Carbon dioxide - FADH2
Select all of the following that cause the difference between the theoretical and actual yields of ATP in aerobic respiration.
- ATP is sent transporting pyruvate and ADP into the mitchondrial matrix. - Protons leak across the inner mitochondrial membrane without using ATP synthase
Select all of the molecules that are reactants of glycolysis
- NAD + - Glucose
Select all of the following that are reactants of pyruvate oxidation during the "transition step" of cellular respiration.
- NAD+ - pyruvate
Select all of the following that are true of ATP synthesis.
- a phosphate group is added to ADP - requires an input of energy ( endergonic reaction)
Select all the food molecules that can be broken down into glucose monomers, which enter aerobic respiration at the beginning of glycolysis.
- glycogen - starch
Select all of the following that are products of the "transition step" in aerobic cellular respiration.
-CO2 - NADH Acetly CoA
Select all of the following that are products in the overall equation for aerobic respiration.
-CO2 (carbon dioxide) - ATP ( adenosine triphosphate)
Select all of the following steps of cellular respiration that generate ATP by substrate-level phosphorylation—that is, without a proton gradient.
-Krebs cycle - glycolysis
The oxidation of glucose during aerobic respiration yields ATP, NADH, and FADH2 molecules. In theory, the ATP yield during the electron transport chain is ______ molecules of ATP per NADH and ______ molecules of ATP per FADH2.
3;2
Match the term with the correct description concerning food and energy.
ATP- supplies power to almost all cellular activities requiring energy Photosynthesis- uses light energy to produce food in the form of glucose Cellular Respiration- converts the energy in food to an energy- carrying molecule
What product of pyruvate oxidation enters the Krebs cycle?
Acetyl CoA
Aerobic cellular respiration requires that ______ diffuses out of cells, and ______ diffuses into cells.
CO2;O2
The potential energy of ______ is used to power the production of ATP in chemiosmotic phosphorylation.
a proton gradient
Plants conduct photosynthesis. Which of the following conduct cellular respiration?
animals and plants