1. Compared to its energy content at rest, a vertebrate muscle that has just undergone heavy exercise would have:
a. more ATP and more ADP
b. less ATP and more ADP
c. more ATP and less ADP
d. less ATP and less ADP
2. When compared to a lung cell, a muscle cell would possess:
a. more mitochondria
b. more rough endoplasmic reticulum
c. less mitochondria
d. less rough endoplasmic reticulum
3.Enzymes are protein catalysts in organisms' bodies that permit them to carry out chemical reactions at relatively low temperatures. An enzyme is specific because only few kinds of substrate molecules fit in its activity site. Which of the following statements about enzymes is FALSE?
a. enzymes catalyze only a particular reaction of specific substrates
b. enzymes usually work only in a particular pH range
c. enzymes increase the energy of the reactant molecules
d. enzymes bind their substrates and hold them in a particular orientation
4. This process is essential if the two cells produced as a result of mitosis are to have a full complement of genes.
a. Replication c. Nondisjunction
b. Cytokinesis d. Synapsis
1. Compared to its energy content at rest, a vertebrate muscle that has just undergone heavy exercise would have:
a. more ATP and more ADP
b. less ATP and more ADP
c. more ATP and less ADP
d. less ATP and less ADP
2. When compared to a lung cell, a muscle cell would possess:
a. more mitochondria
b. more rough endoplasmic reticulum
c. less mitochondria
d. less rough endoplasmic reticulum
3.Enzymes are protein catalysts in organisms' bodies that permit them to carry out chemical reactions at relatively low temperatures. An enzyme is specific because only few kinds of substrate molecules fit in its activity site. Which of the following statements about enzymes is FALSE?
a. enzymes catalyze only a particular reaction of specific substrates
b. enzymes usually work only in a particular pH range
c. enzymes increase the energy of the reactant molecules
d. enzymes bind their substrates and hold them in a particular orientation
4. This process is essential if the two cells produced as a result of mitosis are to have a full complement of genes.
a. Replication c. Nondisjunction
b. Cytokinesis d. Synapsis
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Related questions
QUESTION 1
Which of the following is the correct order of the three stages of cellular respiration?
a. | Krebs cycle, glycolysis, electron transport | |
b. | electron transport, glycolysis, Krebs cycle | |
c. | Krebs cycle, electron transport, glycolysis | |
d. | glycolysis, Krebs cycle, electron transport | |
e. | electron transport, Krebs cycle, glycolysis |
1 points
QUESTION 2
Consider a bacterial cell that performs anaerobic respiration. If that bacterial cell had access to six molecules of glucose to use, how many ATP molecules would it be able to produce?
a. | 2 | |
b. | 34 | |
c. | 36 | |
d. | 6 | |
e. | 12 |
1 points
QUESTION 3
The oxygen that organisms need to live is used exclusively in which of the following metabolic pathways?
a. | Electron transport chain | |
b. | Anaerobic respiration | |
c. | Glycolysis | |
d. | Krebs cycle | |
e. | ATP-Synthase |
1 points
QUESTION 4
The electron transport chain uses the energy in NADH and FADH2 to pump H+ ions from the matrix to the innermembrane space. The H+ gradient is then used to power ATP-Synthase. Enough H+ is pumped from the energy in a molecule of NADH to produce ______ ATP molecules, while enough H+ is pumped from the energy in a FADH2 molecule to produce ______ ATP molecules.
a. | three; two | |
b. | three; three | |
c. | two; two | |
d. | two; three |
1 points
QUESTION 5
Which of the following list contains only products of cellular respiration?
a. | glucose, oxygen, ADP | |
b. | ATP, carbon dioxide | |
c. | oxygen, ADP, carbon dioxide | |
d. | ATP, glucose, oxygen | |
e. | glucose, ATP |
1 points
QUESTION 6
What powers the enzyme ATP-Synthase?
a. | NADH molecules | |
b. | oxygen (O2) | |
c. | ATP | |
d. | NADH and FADH2 molecules | |
e. | The H+ gradient between the matrix and inner-membrane space |
1 points
QUESTION 7
Organisms exist which are able to survive using only glycolysis (i.e. without using oxidative phosphorylation).
True
False
1 points
QUESTION 8
Each ADP molecule contains ________ phosphates, and each ATP molecule contains ________ phosphates.
a. | three; three | |
b. | two; two | |
c. | one; two | |
d. | two; three | |
e. | one; three |
1 points
QUESTION 9
Adding a phosphate group to ADP to form ATP is an endergonic reaction.
True
False
1 points
QUESTION 10
The majority of ATP produced during cellular respiration is produced during glycolysis.
True
False
1 points
QUESTION 11
Glycolysis occurs:
a. | on enzymes located in the inner-membrane. | |
b. | in the cytosol. | |
c. | in the inner-membrane space. | |
d. | in the nucleus of the cell. | |
e. | in the matrix of mitochondria. |
1 points
QUESTION 12
Muscle soreness associated with strenuous exercise is due to:
a. | the production of alcohol during anaerobic respiration. | |
b. | a buildup of lactic acid. | |
c. | an excessive amount of ATP that builds up during exercise. | |
d. | the large amounts of CO2 building up in the muscle. |
1 points
QUESTION 13
A required reactant for glycolysis is:
a. | the electron transport chain. | |
b. | carbon dioxide. | |
c. | oxygen. | |
d. | NAD+. | |
e. | mitochondria. |
1 points
QUESTION 14
NADH is produced in all of the following except:
a. | the electron transport chain. | |
b. | the Krebs cycle. | |
c. | glycolysis. |