Biochemistry Exam Questions &
Answers (Grade A+)
DNA
Double stranded
Deoxyribose backbone
Contains the base thymine
RNA
Single stranded
Ribose backbone
Contains the base uracil -
correct answer ✅Match the structural features with the
appropriate nucleic acid (DNA and RNA features )
Has few interactions with water -
correct answer ✅Cell membranes are composed of phospholipids
that have head and tail regions. The phospholipid tail is
hydrophobic and spontaneously orients to the inside of the
membrane.
Which of these phrases best describes the hydrophobic portion of a
phospholipid ?
is repelled by lipids
,Biochemistry Exam Questions &
Answers (Grade A+)
Has an affinity for low salt concentrations
Has few interactions with water
Forms hydrogen bonds with water
Proteins
Linear
Amino acid polymer
Glycogen
Branched
Glucose polymer -
correct answer ✅Identify which features of polymeric structures
apply to proteins or glycogen
Nucleotides
Amino acids
Monosaccharides
Amino acids
, Biochemistry Exam Questions &
Answers (Grade A+)
Monosaccharides -
correct answer ✅Biological polymers are made up of individual
monomers that are linked together by bonds. The major types of
biological polymers are nucleic acids, proteins, and polysaccharides.
Complete the sentences.
Nucleic acids are polymers of ?
Proteins are polymers of ?
Polysaccharides are polymers of ?
Polypeptides are polymers of ?
Cellulose is a polymer of ?
Lipids are molecules that are generally insoluble in water. Lipids
show few polar functional groups such as OH and C=O compared to
the number of carbon atoms.
Answers (Grade A+)
DNA
Double stranded
Deoxyribose backbone
Contains the base thymine
RNA
Single stranded
Ribose backbone
Contains the base uracil -
correct answer ✅Match the structural features with the
appropriate nucleic acid (DNA and RNA features )
Has few interactions with water -
correct answer ✅Cell membranes are composed of phospholipids
that have head and tail regions. The phospholipid tail is
hydrophobic and spontaneously orients to the inside of the
membrane.
Which of these phrases best describes the hydrophobic portion of a
phospholipid ?
is repelled by lipids
,Biochemistry Exam Questions &
Answers (Grade A+)
Has an affinity for low salt concentrations
Has few interactions with water
Forms hydrogen bonds with water
Proteins
Linear
Amino acid polymer
Glycogen
Branched
Glucose polymer -
correct answer ✅Identify which features of polymeric structures
apply to proteins or glycogen
Nucleotides
Amino acids
Monosaccharides
Amino acids
, Biochemistry Exam Questions &
Answers (Grade A+)
Monosaccharides -
correct answer ✅Biological polymers are made up of individual
monomers that are linked together by bonds. The major types of
biological polymers are nucleic acids, proteins, and polysaccharides.
Complete the sentences.
Nucleic acids are polymers of ?
Proteins are polymers of ?
Polysaccharides are polymers of ?
Polypeptides are polymers of ?
Cellulose is a polymer of ?
Lipids are molecules that are generally insoluble in water. Lipids
show few polar functional groups such as OH and C=O compared to
the number of carbon atoms.
