WCU PHYS 261 Week 2 Quiz: Ch 4, 5
questions and answers graded A+
oxygen - correct answer ✔✔In the aerobic metabolism of glucose, ________ acts as the final
acceptor of electrons.
transcription - correct answer ✔✔The process of forming mRNA is called
High ATP concentrations in the cell inhibit the action of phosphofructokinase, the third enzyme
of glycolysis. - correct answer ✔✔Which of the following is the best example of feedback
inhibition?
A and B - correct answer ✔✔In the hypothetical chemical reaction A+B → C+D, what is/are the
reactant(s)?
It is the total of all the chemical reactions in an organism. - correct answer ✔✔What is the
definition of metabolism?
ligands bind to these proteins and are changed by the protein - correct answer ✔✔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
questions and answers graded A+
oxygen - correct answer ✔✔In the aerobic metabolism of glucose, ________ acts as the final
acceptor of electrons.
transcription - correct answer ✔✔The process of forming mRNA is called
High ATP concentrations in the cell inhibit the action of phosphofructokinase, the third enzyme
of glycolysis. - correct answer ✔✔Which of the following is the best example of feedback
inhibition?
A and B - correct answer ✔✔In the hypothetical chemical reaction A+B → C+D, what is/are the
reactant(s)?
It is the total of all the chemical reactions in an organism. - correct answer ✔✔What is the
definition of metabolism?
ligands bind to these proteins and are changed by the protein - correct answer ✔✔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
