Multiple Choice
The four most abundant chemical elements in living systems are:
A) hydrogen, oxygen, sulfur and phosphorus.
B) hydrogen, carbon, nitrogen and oxygen.
C) sodium, potassium, carbon and oxygen.
D) sodium, potassium, nitrogen and sulfur.
E) carbon, nitrogen, oxygen and potassium.
Correct Answer:
Verified
Correct Answer:
Verified
Q2: Nearly all proteins contain:<br>A) cobalt.<br>B) phosphorus.<br>C) selenium.<br>D)
Q3: The water content in the human body
Q4: The principle component of a biological membrane
Q5: Amino acids and simple organic compounds like
Q6: An amphipathic molecule provides the foundation for
Q8: Genomics is concerned with the entire _,
Q9: The chemical element _ has a role
Q10: Oxidation-reduction reactions, which are the basis of
Q11: Which of the following is NOT classed
Q12: List the four major classes of biological