A horse eating some hay is an example of ______.
a. an autotroph eating a producer b. an autotroph eating a consumer
c. a consumer eating a producer d. a consumer eating a heterotroph
C. A consumer eating a producer
What compound directly provides energy for cellular work?
a. C6H12O6 b. rubisco c. ATP d. DNA
Which of these equations describes aerobic cellular respiration?
a. glucose → lactic acid + energy
b. energy + carbon dioxide + water → glucose + oxygen + water
c. glucose → ethyl alcohol + carbon dioxide + energy
d. glucose + oxygen → carbon dioxide + water + energy
Which of the following statements is completely true?
a. Oxygen is a product of cellular respiration; carbon dioxide is a product of photosynthesis
b. Oxidation is the gain of electrons; reduction is the loss of electrons
c. Lactic acid is a product of aerobic respiration; ethyl alcohol is a product of fermentation
d. Oxidation is the loss of electrons; reduction is the gain of electrons.
Which of the following is the correct sequence of stages in cellular respiration?
a. glycolysis, citric acid cycle, electron transport chain
b. citric acid cycle, glycolysis, electron transport chain
c. citric acid cycle, electron transport chain, glycolysis
d. electron transport chain, glycolysis, citric acid cycle.
Energy is transferred from ATP to other molecules by transferring a(n) __________
a. adenosine b. heat c. photon d. phosphate
Which of the following metabolic pathways is common to both aerobic and anaerobic processes of sugar breakdown?
a. the citric acid cycle b. the electron transport chain
c. conversion of pyruvic acid to acetyl CoA d. glycolysis
What waste product do yeast produce under anaerobic conditions?
a. ethyl alcohol. b. pyruvic acid c. lactic acid. d. glucosamine
A. Ethyl Alcohol
Humans use the calories they obtain from ______ as their source of energy
a. water b. food c. sunglight d. mineral
Cellular respiration is carried out by ______.
a. mitochondria b. peroxisomes c. nucleus d. chloroplast
What would happen to the flow of electrons if oxygen were not present?
a. the flow of electrons would continue but at a slower rate.
b. the flow would cease and ATP production would stop.
c. the presence of oxygen would have no effect.
d. the flow would increase and ATP production would accelerate