WCU PHYS 261 Week 2 Quiz Ch 4, 5
Questions with Accurate Answers
In the aerobic metabolism of glucose, ________ acts as the final acceptor of electrons. -
ANSWERSoxygen
The process of forming mRNA is called - ANSWERStranscription
Which of the following is the best example of feedback inhibition? - ANSWERSHigh
ATP concentrations in the cell inhibit the action of phosphofructokinase, the third
enzyme of glycolysis.
In the hypothetical chemical reaction A+B → C+D, what is/are the reactant(s)? -
ANSWERSA and B
What is the definition of metabolism? - ANSWERSIt is the total of all the chemical
reactions in an organism.
Match the membrane protein with its function.
A. transfer signals from the extracellular environment to the cytoplasm of the cell
B. form cell-to-cell connections
C. bind to molecules to facilitate entry to or exit from the cell
D. ligands bind to these proteins and are changed by the protein
enzymes - ANSWERSligands bind to these proteins and are changed by the protein
Match the transport process to its description.
A. simple diffusion
B. facilitated diffusion
C. both
D. neither
a form of mediated transport - ANSWERSfacilitated diffusion
Aerobic metabolism of glucose - ANSWERSrequires oxygen and produces more ATP
per glucose than anaerobic pathways
How many CO2 molecules are produced for each glucose molecule that is catabolized
completely by glycolysis, the citric acid cycle, and the electron transport chain? -
ANSWERS6
Questions with Accurate Answers
In the aerobic metabolism of glucose, ________ acts as the final acceptor of electrons. -
ANSWERSoxygen
The process of forming mRNA is called - ANSWERStranscription
Which of the following is the best example of feedback inhibition? - ANSWERSHigh
ATP concentrations in the cell inhibit the action of phosphofructokinase, the third
enzyme of glycolysis.
In the hypothetical chemical reaction A+B → C+D, what is/are the reactant(s)? -
ANSWERSA and B
What is the definition of metabolism? - ANSWERSIt is the total of all the chemical
reactions in an organism.
Match the membrane protein with its function.
A. transfer signals from the extracellular environment to the cytoplasm of the cell
B. form cell-to-cell connections
C. bind to molecules to facilitate entry to or exit from the cell
D. ligands bind to these proteins and are changed by the protein
enzymes - ANSWERSligands bind to these proteins and are changed by the protein
Match the transport process to its description.
A. simple diffusion
B. facilitated diffusion
C. both
D. neither
a form of mediated transport - ANSWERSfacilitated diffusion
Aerobic metabolism of glucose - ANSWERSrequires oxygen and produces more ATP
per glucose than anaerobic pathways
How many CO2 molecules are produced for each glucose molecule that is catabolized
completely by glycolysis, the citric acid cycle, and the electron transport chain? -
ANSWERS6
