What molecule can oxidize NADH?
A. Acetaldehyde
B. Lactate
C. Ubiquinone
D. Glucose
E. Isocitrate
A. Acetaldehyde
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The induced-fit model
A) was proposed by Hans Buchner. B) involves a conformational change in the shape of the enzyme. C) is also called the lock-and-key model. D) states that enzyme-substrate interactions are rigid. E) proposes that very strong covalent bonds are formed upon substrate binding.
Asbestos is a material that was once used extensively in construction. One risk from working in a building that contains asbestos is the development of asbestosis caused by the inhalation of asbestos fibers. Cells will phagocytize asbestos, but are not able to degrade it. As a result, asbestos fibers accumulate in _____.
A) mitochondria B) ribosomes C) peroxisomes D) lysosomes
Each genetically distinct group of lymphocytes that possesses the same specificity is called a ________.
Fill in the blank(s) with the appropriate word(s).
A primer of ________ is needed at the origin of nucleotide addition.
A. helicase B. DNA C. RNA D. polymerase I E. polymerase III