WGU C785 Study Guide Exam Questions with Accurate Marking Scheme Latest 2024
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Course
WGU C785
Institution
WGU C785
WGU C785 Study Guide Exam Questions with Accurate Marking Scheme Latest 2024
What is the name of large, functional protein structures composed of smaller proteins with multiple subunits? - correct answer Quarternary structure
Pepsin, the enzyme that catalyzes the breaking of peptide bonds, ha...
WGU C785 Study Guide Exam
Questions with Accurate Marking
Scheme Latest 2024
What is the name of large, functional protein structures composed of smaller proteins with multiple subunits? - correct answer Quarternary structure
Pepsin, the enzyme that catalyzes the breaking of peptide bonds, has the highest activity in the acidic environment of the stomach. What process is disrupted after a patient ingests excessive antacid that neutralizes the pH of the stomach? - correct answer Protein catabolism
An active elderly patient is becoming frequently disoriented, having trouble recalling her daily routine, and becoming aggravated easily. She forgets words and places and has difficulty recognizing her children. Which biochemical event is responsible for this patient's behavior? - correct answer Protein aggregation
In which situation would altering a protein structure lead to a disease state? - correct answer A mutation in aconitase blocks an essential step in aerobic metabolism
How does hemoglobin keep blood pH neutral during exercise? - correct answer Deoxygenated hemoglobin binds to excess H +.
What is occurring in surrounding tissues as the amount of hemoglobin saturated with oxygen increases? - correct answer The amount of carbon dioxide decreases. What is occurring in surrounding tissues as the amount of hemoglobin saturated with oxygen increases? - correct answer The concentration of hydrogen ions decreases.
Identify the factors that favor the oxygenated form of hemoglobin. - correct answer High pH, low carbon dioxide
Which metal ion is bound to the porphyrin ring in hemoglobin? - correct answer Iron
Which feature of hemoglobin makes it an effective oxygen transport molecule? - correct answer Its affinity for oxygen is regulated by pH.
Which enzyme binding scenario best describes enzyme specificity and action? - correct answer An enzyme binds one substrate or closely related substrates to catalyze only one reaction.
How do the rates of enzyme-catalyzed reactions compare to those of corresponding uncatalyzed reactions? - correct answer They are 10 6 to 10 12 times faster.
Which change will likely increase the activity of an enzyme currently at optimal
conditions? - correct answer Significantly increasing substrate concentration
What occurs immediately after the appropriate molecule enters the active site of an enzyme? - correct answer The enzyme binds the molecule to form an enzyme-molecule complex.
An inhibitor is added to the following hypothetical pathway, which results in an
accumulation of compound C.
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