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KNES 323 Study Guide - Adenine, Ethanol Fermentation, Lysosome

Course Code
KNES 323
Carol Gibbons Kroeker

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C6 H12O6 + 6O2 + ADP + Pi 6CO2 + 6 H2O + MOLECULE A
The process shown in the equation above begins in the cytoplasm of a cell and ends in the
a. cytoplasm. b. endoplasmic reticulum. c. mitochondria. d. lysosome.
The equation above summarizes the process known as
a. photosynthesis. b. cellular respiration. c. fermentation. d. protein breakdown.
The molecule referred to as “molecule A” in the equation above is
a. NADPH. b. NADH. c. ATP. d. ADP.
When living cells break down molecules, energy is
a. stored as ADP. c. released as heat.
b. stored as ATP. d. Both b and c
In cellular respiration, the most energy is transferred during
a. glycolysis.
b. lactic acid fermentation.
c. the Krebs cycle.
d. the electron transport chain
Electrons are donated to the electron transport chain by
a. ATP and NADH. c. ATP and NAD+.
b. FADH2 and NADH. d. NAD+ and ATP.
If the formation of 38 molecules of ATP requires 266 kcal of energy and the complete oxidation of glucose
yields 686 kcal of energy, how efficient is cellular respiration at extracting energy from glucose?
a. 20% b. 25% c. 39% d. 100%
Glycolysis begins with glucose and produces
a. PGAL b. lactic acid c. acetyl CoA d. pyruvate
An important molecule generated by both lactic acid fermentation and alcoholic fermentation is
a. ATP b. NADH c. CO2 d. NAD+
In the first step of aerobic respiration, pyruvate from glycolysis produces CO2, NADH, H+, and
a. citric acid b. acetyl CoA c. oxzloacetic acid d. lactic acid
The electron transport chain is driven by two products of the Krebs cycle-
a. oxaloacetic acid and citric acid c. NADH and FADH2
b. H2O and CO2 d. acetyl CoA and ATP
In alcoholic fermentation, ethyl alcohol is produced from
a. NAD+ b. NADH c. lactic acid d. pyruvic acid
a. contain five phosphate groups
b. is essential for a cell to perform all the task necessary for life
c. is found only in bacteria
d. All of the above.
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