Multiple Choice
The practice of cells turning on the production of some enzymes and turning off others in response to a changing environment is called
A) compromise.
B) metabolism.
C) nutritional metabolism.
D) adaptation.
Correct Answer:

Verified
Correct Answer:
Verified
Q14: Bacteria are the most numerous soil inhabitants,
Q38: Next to carbon and oxygen, the element
Q39: The problem of not being able to
Q40: Which group is composed of autotrophs?<br>A) primary
Q41: Gardeners sometimes plant clover between productive growing
Q42: The carbon cycle revolves around<br>A) nitrogen.<br>B) water.<br>C)
Q44: Nitrifiers<br>A) are obligate anaerobes.<br>B) are chemolithotrophs.<br>C) convert
Q46: Nitrogen is<br>A) an important constituent of carbohydrates.<br>B)
Q47: Sulfur occurs in all living matter primarily
Q48: Phosphorus is a component of<br>A) nucleic acids.<br>B)