Multiple Choice
Which of the following is NOT a characteristic of a nonessential biological element?
A) It is detected in the body but has no clear biological function.
B) It has a stimulatory effect on biological functions.
C) It is incorporated into biological compounds because it is similar to essential elements.
D) It has clear biological functions.
E) Organisms require it for reproduction.
Correct Answer:
Verified
Correct Answer:
Verified
Q14: The fluoride ion F- is important in
Q15: Zinc oxide, a combination of zinc and
Q17: The concentration of chloride in the human
Q18: Phosphorus-32 is a radioactive isotope used in
Q21: Which element forms an ionic compound with
Q22: Selenocysteine is an amino acid that
Q23: What is a stimulatory effect, and what
Q24: Which of the following is NOT an
Q40: Arrange the first four halogens in order
Q59: The concentration of a major essential element