BIO 201 STRAIGHTERLINE CUMULATIVE FINAL
2026 STUDY GUIDE QUESTIONS AND
SOLUTIONS FULL REVIEW GRADED A+
◉ The molecular mass of Na2CO3 is... Answer: 106
◉ In the equation 2H2 + 02 ---> 2H2O....
A. H2, O2, and H2O are all compounds
B. H2, O2, and H2O are all elements
C. Only H2 and O2 are compounds
D. Only H2O is a compound Answer: D. Only H2O is a compound
◉ The tendency of water molecules to stick with another molecule
other than water is.... Answer: Adhesion
◉ Which is less dense, solid water or liquid water? Answer: Liquid
water-the molecules can fit closer together because they are
breaking and reforming, unlike ice molecules
◉ pH of 3 is how many times more acidic than pH of 6? Answer:
1000x more
,◉ Covalent Bonds Answer: share electrons
◉ Ionic Bonds Answer: accept electrons
◉ What does the body NOT break down for energy? Answer: RNA
◉ 3 most common atoms in our body Answer: hydrogen, oxygen,
and carbon
◉ Which of the following contains a carboxyl group and an amino
group?
A. Amino acid
B. Fat
C. Sugar
D. Vinegar Answer: A. Amino acid
◉ Which of the following statements about dehydration synthesis
(condensation) is FALSE?
A. One monomer loses hydrogen atoms, other hydroxyl group
B. H2O is formed as the monomers are joined
C. Covalent bonds are formed between monomers
, D. Animal digestive systems utilize to break down food Answer: D.
Animal digestive systems utilize to break down food
◉ An oil may be converted into a substance that is solid at room
temperature by Answer: adding hydrogen, decreasing the number of
double bonds in molecules
◉ Fatty acids with double bonds between some of their carbons are
said to be Answer: unsaturated
◉ Primary structure of a protein is Answer: the amino acid sequence
of the polypeptide chain
◉ Which of the following are false about nucleotides?
A. Nucleotides contain lipids
B. Nucleotides contain sugar molecules
C. Nucleotides can be linked together to form nucleic acids
D. Nucleotides contain nitrogenous bases Answer: A. Nucleotides
contain lipids
◉ A molecule with the formula C18H32O16 is a Answer:
polypeptide
◉ Monosaccharides ratio Answer: 1:2:1
2026 STUDY GUIDE QUESTIONS AND
SOLUTIONS FULL REVIEW GRADED A+
◉ The molecular mass of Na2CO3 is... Answer: 106
◉ In the equation 2H2 + 02 ---> 2H2O....
A. H2, O2, and H2O are all compounds
B. H2, O2, and H2O are all elements
C. Only H2 and O2 are compounds
D. Only H2O is a compound Answer: D. Only H2O is a compound
◉ The tendency of water molecules to stick with another molecule
other than water is.... Answer: Adhesion
◉ Which is less dense, solid water or liquid water? Answer: Liquid
water-the molecules can fit closer together because they are
breaking and reforming, unlike ice molecules
◉ pH of 3 is how many times more acidic than pH of 6? Answer:
1000x more
,◉ Covalent Bonds Answer: share electrons
◉ Ionic Bonds Answer: accept electrons
◉ What does the body NOT break down for energy? Answer: RNA
◉ 3 most common atoms in our body Answer: hydrogen, oxygen,
and carbon
◉ Which of the following contains a carboxyl group and an amino
group?
A. Amino acid
B. Fat
C. Sugar
D. Vinegar Answer: A. Amino acid
◉ Which of the following statements about dehydration synthesis
(condensation) is FALSE?
A. One monomer loses hydrogen atoms, other hydroxyl group
B. H2O is formed as the monomers are joined
C. Covalent bonds are formed between monomers
, D. Animal digestive systems utilize to break down food Answer: D.
Animal digestive systems utilize to break down food
◉ An oil may be converted into a substance that is solid at room
temperature by Answer: adding hydrogen, decreasing the number of
double bonds in molecules
◉ Fatty acids with double bonds between some of their carbons are
said to be Answer: unsaturated
◉ Primary structure of a protein is Answer: the amino acid sequence
of the polypeptide chain
◉ Which of the following are false about nucleotides?
A. Nucleotides contain lipids
B. Nucleotides contain sugar molecules
C. Nucleotides can be linked together to form nucleic acids
D. Nucleotides contain nitrogenous bases Answer: A. Nucleotides
contain lipids
◉ A molecule with the formula C18H32O16 is a Answer:
polypeptide
◉ Monosaccharides ratio Answer: 1:2:1
