Your bacterium is growing on a type of medium called casein agar, which contains milk protein (casein).  There is a clear zone around the growth area of the bacterium, showing that it is synthesizing the enzymes needed to catalyze the breakdown of casein.  These enzymes are considered ________.

A. ribozymes
B. exoenzymes
C. apoenzymes
D. endoenzymes


Answer: B

Biology & Microbiology

You might also like to view...

In a global sense, ALL nutrient cycles are coupled together

Indicate whether the statement is true or false.

Biology & Microbiology

What is produced when wine is made?

A. ethyl alcohol and water B. water, hydrogen gas, and ethyl alcohol C. oxygen, ADP, and ethyl alcohol D. CO2, ATP, and ethyl alcohol E. lactate and ethyl alcohol

Biology & Microbiology

Horses and donkeys can breed and produce sterile offspring known as mules. Horses and donkeys remain separate species because of this hybrid sterility, which is:

A. an allopatric barrier to reproduction. B. a sympatric barrier to reproduction. C. a prezygotic barrier to reproduction. D. a postzygotic barrier to reproduction.

Biology & Microbiology

Which of the following is a tube that carries urine from the kidneys to the urinary bladder in a mammal?

a. loop of Henle b. ureter c. urethra d. distal tubule e. proximal tubule

Biology & Microbiology