BioChemistry Test Bank MIDTERM ACTUAL EXAM
WITH COMPLETE ANSWERS GRADED A+
What is glycogen important for? - ANSWER Stabilizes sugar in the time between
meals
Glycogen is reducing or non reducing? - ANSWER Non reducing
Glycogen does not affect - ANSWER osmolality and is easily broken down.
All are soluble in water except: fatty acid, cholesterol, triglycerides, glycerol - ANSWER
triglycerides
Which bond has the strongest force? - ANSWER Covalent
What type of bond connects the two glucose subunits in maltose? - ANSWER O-
A peptide bond is formed by the following? - ANSWER Amino group and carboxyl
group
What are the subunits of carbohydrates? - ANSWER Monosaccharides
# of different forms of subunits of carbohydrates? - ANSWER Mostly glucose and its
derivatives
What are the subunits of proteins? - ANSWER Amino Acids
# of different forms of subunits of Amino Acids? - ANSWER 20
What are the subunits of Lipids? - ANSWER Fatty Acids and Glycerol
# of different forms of subunits of lipids? - ANSWER 100 + important types
What are the subunits of nucleic acids? - ANSWER Nucleotides
# of different forms of subunits of nucleotides? - ANSWER 8
Nucleotides are linked together by what bond? - ANSWER Phosphodiester
, What is the formula of carbohydrates? - ANSWER Cn H2n On
Which sugar is involved in the synthesis of nucleic acids? - ANSWER Ribose
Is glycogen hydrophobic or hydorphillic? - ANSWER Hydrophilic (not stored for long or
in large amounts)
glycosidic
An ester bond is formed by the condensation of which two groups? - ANSWER
Carboxyl and hydroxyl
Which nucleotide is changed to Uracil transcription from DNA to RNA? - ANSWER
Thymine
What is the difference between the sugar backbone of DNA and RNA?
a. RNA has a glucose backbone
b. DNA has Thymine, while RNA has Uracil
c. There is an additional hydroxyl group in the number 2 position of RNA - ANSWER c.
There is an additional hydroxyl group in the number 2 position of RNA.
Which two bases are purines?
*Think PURE AS GOLD - ANSWER Guanine and Adenine
How many hours does it take to get rid of liver glycogen? - ANSWER 24 hours
How many hours does it take to get rid of muscle glycogen? - ANSWER Less than an
hour
The DNA is folded by histones and other nuclear proteins to form? - ANSWER
Chromatin
Which of the following is the secondary structure of DNA? - ANSWER DNA Double
Helix
WITH COMPLETE ANSWERS GRADED A+
What is glycogen important for? - ANSWER Stabilizes sugar in the time between
meals
Glycogen is reducing or non reducing? - ANSWER Non reducing
Glycogen does not affect - ANSWER osmolality and is easily broken down.
All are soluble in water except: fatty acid, cholesterol, triglycerides, glycerol - ANSWER
triglycerides
Which bond has the strongest force? - ANSWER Covalent
What type of bond connects the two glucose subunits in maltose? - ANSWER O-
A peptide bond is formed by the following? - ANSWER Amino group and carboxyl
group
What are the subunits of carbohydrates? - ANSWER Monosaccharides
# of different forms of subunits of carbohydrates? - ANSWER Mostly glucose and its
derivatives
What are the subunits of proteins? - ANSWER Amino Acids
# of different forms of subunits of Amino Acids? - ANSWER 20
What are the subunits of Lipids? - ANSWER Fatty Acids and Glycerol
# of different forms of subunits of lipids? - ANSWER 100 + important types
What are the subunits of nucleic acids? - ANSWER Nucleotides
# of different forms of subunits of nucleotides? - ANSWER 8
Nucleotides are linked together by what bond? - ANSWER Phosphodiester
, What is the formula of carbohydrates? - ANSWER Cn H2n On
Which sugar is involved in the synthesis of nucleic acids? - ANSWER Ribose
Is glycogen hydrophobic or hydorphillic? - ANSWER Hydrophilic (not stored for long or
in large amounts)
glycosidic
An ester bond is formed by the condensation of which two groups? - ANSWER
Carboxyl and hydroxyl
Which nucleotide is changed to Uracil transcription from DNA to RNA? - ANSWER
Thymine
What is the difference between the sugar backbone of DNA and RNA?
a. RNA has a glucose backbone
b. DNA has Thymine, while RNA has Uracil
c. There is an additional hydroxyl group in the number 2 position of RNA - ANSWER c.
There is an additional hydroxyl group in the number 2 position of RNA.
Which two bases are purines?
*Think PURE AS GOLD - ANSWER Guanine and Adenine
How many hours does it take to get rid of liver glycogen? - ANSWER 24 hours
How many hours does it take to get rid of muscle glycogen? - ANSWER Less than an
hour
The DNA is folded by histones and other nuclear proteins to form? - ANSWER
Chromatin
Which of the following is the secondary structure of DNA? - ANSWER DNA Double
Helix
