In feedback inhibition of a metabolic pathway, where does the inhibitor bind?
A. to a substrate or the product of the last reaction
B. to the enzyme of the first reaction
C. to the enzyme of the last reaction
D. to the substrate of the first reaction
E. to the product of the first reaction
Ans: B. to the enzyme of the first reaction
You might also like to view...
The plant hormone structurally similar to adenine is ____
a. brassinosteroid b. abscisic acid c. ethylene d. cytokinin e. systemin
All of the following are reasons why some scientists believe that the term "prokaryote" is a somewhat artificial designation and should be discarded except
A. Some bacteria have 80S ribosomes. B. Some bacteria have their genetic material enclosed within a membrane. C. Some bacteria have internal membranous structures. D. Many bacterial have cytoskeletal elements.
Deciduous leaves usually live for more than a single year or growing season
Indicate whether the statement is true or false
The plaque reduction neutralization test (PRNT) is preferred over other methods mainly because
A) PRNT can differentiate between closely related viruses which have similar antigens. B) PRNT does not require working directly with a patient blood sample. C) PRNT can detect low-levels of antibody. D) working with the live pathogens required for PRNT is risky. E) it is faster than most other methods.