WCU PHYS 261 Week 2 Quiz; Ch 4, 5
questions well answered
In the aerobic metabolism of glucose, ________ acts as the final acceptor of electrons. - correct
answer ✔✔ oxygen
The process of forming mRNA is called - correct answer ✔✔ transcription
Which of the following is the best example of feedback inhibition? - correct answer ✔✔ High
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)? - correct answer
✔✔ A and B
What is the definition of metabolism? - correct answer ✔✔ It 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 - correct answer ✔✔ ligands bind to these proteins and are changed by the protein
questions well answered
In the aerobic metabolism of glucose, ________ acts as the final acceptor of electrons. - correct
answer ✔✔ oxygen
The process of forming mRNA is called - correct answer ✔✔ transcription
Which of the following is the best example of feedback inhibition? - correct answer ✔✔ High
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)? - correct answer
✔✔ A and B
What is the definition of metabolism? - correct answer ✔✔ It 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 - correct answer ✔✔ ligands bind to these proteins and are changed by the protein
