WorksheetsCHE 411 module 3
Total questions: 10
Worksheet time: 2mins
Eduard Buchner discovered enzymes from __________ in 1897.
A. yogurt
B. yeast
C. bacteria
D. wheat
The ________ model suggests an enzyme’s active site is pre-shaped to fit the substrate.
A. Induced fit
B. Lock and Key
C. Allosteric
D. Transition state
The ________ model suggests the active site adjusts to fit the substrate upon binding.
A. Lock and Key
B. Conformational lock
C. Induced fit
D. Zymogen
In the Lineweaver–Burk plot, the y-intercept represents the inverse of ________.
A. Km
B. Vmax
C. [S]
D. kcat
________ enzymes consist of a single polypeptide chain.
A. Oligomeric
B. Monomeric
C. Holoenzyme
D. Isozyme
________ is an example of an enzyme that operates optimally at an acidic pH.
A. Trypsin
B. Amylase
C. Pepsin
D. Urease
The slope of the Lineweaver–Burk plot is equal to ________.
A. 1/Vmax
B. Km
C. Km/Vmax
D. Vmax/Km
The ________ method plots [S]/v on the y-axis and [S] on the x-axis.
A. Lineweaver–Burk
B. Eadie–Hofstee
C. Hanes–Woolf
D. Dixon
The ________ method gives a straight line by plotting v against v/[S].
A. Eadie–Hofstee
B. Hanes–Woolf
C. Lineweaver–Burk
D. Cornish–Bowden
When plotting enzyme kinetics, the double-reciprocal plot commonly used is called the ________ plot.
A. Dixon
B. Hanes–Woolf
C. Lineweaver–Burk
D. Eadie–Hofstee
