BIOCHEMISTRY TEST QUESTION BANK
EXAM 2025/2026 QUESTIONS AND
ANSWERS 100% PASS
A peptide bond is formed by the following? - ANS Amino group and carboxyl group
What are the subunits of carbohydrates? - ANS Monosaccharides
# of different forms of subunits of carbohydrates? - ANS Mostly glucose and its derivatives
What are the subunits of proteins? - ANS Amino Acids
# of different forms of subunits of Amino Acids? - ANS 20
What are the subunits of Lipids? - ANS Fatty Acids and Glycerol
# of different forms of subunits of lipids? - ANS 100 + important types
What are the subunits of nucleic acids? - ANS Nucleotides
# of different forms of subunits of nucleotides? - ANS 8
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, Nucleotides are linked together by what bond? - ANS Phosphodiester
What is the formula of carbohydrates? - ANS Cn H2n On
Which sugar is involved in the synthesis of nucleic acids? - ANS Ribose
Is glycogen hydrophobic or hydorphillic? - ANS Hydrophilic (not stored for long or in large
amounts)
What is glycogen important for? - ANS Stabilizes sugar in the time between meals
Glycogen is reducing or non reducing? - ANS Non reducing
Glycogen does not affect - ANS osmolality and is easily broken down.
All are soluble in water except: fatty acid, cholesterol, triglycerides, glycerol -
ANS triglycerides
Which bond has the strongest force? - ANS Covalent
What type of bond connects the two glucose subunits in maltose? - ANS O-glycosidic
An ester bond is formed by the condensation of which two groups? - ANS Carboxyl and
hydroxyl
Which nucleotide is changed to Uracil transcription from DNA to RNA? - ANS Thymine
What is the difference between the sugar backbone of DNA and RNA?
a. RNA has a glucose backbone
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
EXAM 2025/2026 QUESTIONS AND
ANSWERS 100% PASS
A peptide bond is formed by the following? - ANS Amino group and carboxyl group
What are the subunits of carbohydrates? - ANS Monosaccharides
# of different forms of subunits of carbohydrates? - ANS Mostly glucose and its derivatives
What are the subunits of proteins? - ANS Amino Acids
# of different forms of subunits of Amino Acids? - ANS 20
What are the subunits of Lipids? - ANS Fatty Acids and Glycerol
# of different forms of subunits of lipids? - ANS 100 + important types
What are the subunits of nucleic acids? - ANS Nucleotides
# of different forms of subunits of nucleotides? - ANS 8
1 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
, Nucleotides are linked together by what bond? - ANS Phosphodiester
What is the formula of carbohydrates? - ANS Cn H2n On
Which sugar is involved in the synthesis of nucleic acids? - ANS Ribose
Is glycogen hydrophobic or hydorphillic? - ANS Hydrophilic (not stored for long or in large
amounts)
What is glycogen important for? - ANS Stabilizes sugar in the time between meals
Glycogen is reducing or non reducing? - ANS Non reducing
Glycogen does not affect - ANS osmolality and is easily broken down.
All are soluble in water except: fatty acid, cholesterol, triglycerides, glycerol -
ANS triglycerides
Which bond has the strongest force? - ANS Covalent
What type of bond connects the two glucose subunits in maltose? - ANS O-glycosidic
An ester bond is formed by the condensation of which two groups? - ANS Carboxyl and
hydroxyl
Which nucleotide is changed to Uracil transcription from DNA to RNA? - ANS Thymine
What is the difference between the sugar backbone of DNA and RNA?
a. RNA has a glucose backbone
2 @COPYRIGHT 2025/2026 ALLRIGHTS RESERVED.
