Week 9 - Homework Quiz Flashcards
Metabolism
What type of chemical reaction drives ATP production?
a. Exergonic reactions.
b. Endergonic reactions.
a. Exergonic reactions.
Which step of cell respiration occurs within the cytoplasm?
a. Krebs cycle.
b. Glycolysis.
c. Electron transport chain.
b. Glycolysis.
When a glucose molecule enters glycolysis what substance will be produced at the end that will continue on and enter the Krebs cycle?
a. Pyruvate.
b. NADH.
c. O2.
d. ATP.
e. CO2.
a. Pyruvate.
Which component of an oxidation-reduction reactions refers to the substance in the reaction that is losing electrons?
a. Reduction.
b. Oxidation.
b. Oxidation.
LEO =
Loss of
Electron is
Oxidation
How many cycles of Krebs cycle must a cell perform to process the product(s) of glycolysis?
a. Five cycles.
b. Two cycles.
c. Four cycles.
d. Three cycles.
e. One cycle.
b. Two cycles.
What two steps of cell respiration produce the coenzyme NADH?
a. Glycolysis and Krebs cycle.
b. Krebs cycle and electron transport chain.
c. Glycolysis and electron transport chain.
a. Glycolysis and Krebs cycle.
What step of cell respiration requires a hydrogen ion concentration gradient as a critical element in its process?
a. Electron transport chain.
b. Glycolysis.
c. Krebs cycle.
a. Electron transport chain.
Which two steps of cell respiration occur within the mitochondria?
a. Krebs cycle and electron transport chain.
b. Glycolysis and Krebs cycle.
c. Glycolysis and electron transport chain.
a. Krebs cycle and electron transport chain.
What step of cell respiration produces water?
a. Krebs cycle.
b. Electron transport chain.
c. Glycolysis.
b. Electron transport chain.
Which step of cell respiration produces the coenzyme FADH2?
a. Krebs cycle.
b. Electron transport chain.
c. Glycolysis
a. Krebs cycle.
Where does the carbon and oxygen of CO2 that we breathe out originate from?
a. Oxygen.
b. FADH2.
c. ATP.
d. NADH.
e. Glucose.
e. Glucose.
On average how many ATP molecules are produced during the electron transport chain?
a. 18.
b. 10.
c. 32.
d. 42.
e. 12.
c. 32.
Identify the one INCORRECT statement about basal metabolic rate (BMR).
a. As surface area to volume ratio increases, BMR increases.
b. BMR is disproportionately higher in men.
c. BMR decreases with age.
d. BMR is influenced by multiple hormones such as thyroxine.
e. BMR decreases with stress.
e. BMR decreases with stress.
Identify the set of terms related to metabolism that work together to describe a type of metabolic process.
a. Anabolism, endergonic, synthesis.
b. Catabolism, synthesis, exergonic.
c. Anabolism, exergonic, synthesis.
d. Catabolism, synthesis, endergonic.
e. Catabolism, endergonic, decomposition.
a. Anabolism, endergonic, synthesis.
What process produces lactic acid?
a. Aerobic metabolism.
b. Anaerobic metabolism.
b. Anaerobic metabolism.