There are ____ naturally occurring elements of which ______ are involved in maintaining life.
A) 96; 22
B) 104; 28
C) 92; 24
D) 58; 34
Correct Answer:
Verified
Q2: Which of the following is NOT an
Q3: Covalent bonds form when
A)two or more atoms
Q4: Enzymes directly act to
A)maintain cell structure.
B)slow down
Q5: A saturated fat will have rev: 09_24_2013_QC_34141
A)significant
Q6: If an atom has 8 protons and
Q8: To be considered an organic molecule a
Q9: To form an ion, an atom must
Q10: Nucleic acids are made up of
A)fats.
B)amino acids.
C)nucleotides.
D)sugars.
Q11: About 96% of the body consists of
Q12: The valence electrons are those
A)active in chemical
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