BIO 110 PRACTICE EXAM 1 QUESTIONS
WITH CORRECT ANSWERS
What is the monomer used to build complex carbohydrates?
A. Amino Acids
B. Nucleotides
C.Water
D.Monosaccharides
E. Steroids - Correct Answers -D. Monosaccharides
Sulfhydryl functional groups (-SH) are found in some proteins and consist of sulfur
(electronegeativity = 2.6) and hydrogen. What type of bond links sulfur to hydrogen?
A. Hydrogen Bond
B. Ionic Bond
C. Nonpolar Covalent Bond
D. Polar Covalent Bond
E. One sigma bond and two pi bonds - Correct Answers -C. Nonpolar Covalent Bond
The Fap1 protein of a bacteria allows the human immune system to identify the bacteria
as foreign and initiate attack against the infection. Fap1 would best be described as a:
A. Glycolipid
B. Channel Protein
C. Phospholipid
D. Carbohydrate
E. Glycoprotein - Correct Answers -E. Glycoprotein
The 3-Carbon molecule that acts as a framework upon which fatty acids and phosphate
are attached in a phospholipid is called:
A. Glycogen
B. Glycerol
C. Functional group
D. Capsid
E. Trans Fat - Correct Answers -B. Glycerol
A viral enveolpe is mainly made up of what type of molecule?
A. Steroids
B. Triglycerides
C. Glycerol
D. Proteins
E. Phospholipids - Correct Answers -E. Phospholipids
, During conjugation, 2 bacteria join up and exchange genetic information. What type of
molecule is passed from one bacterium to another during conjugation?
A.Proteins
B.Carbohydrates
C.Nucleic Acids
D.Lipids
E.Glycoproteins - Correct Answers -C. Nucleic Acids
Which 2 types of molecules are likely to be used for energy storage in animals?
A. Triglycerides and glycogen
B. Starch and Glycogen
C. Glycogen and phospholipids
D. Phospholipids and triglycerides
E. Glycogen and starch - Correct Answers -A. Triglycerides and glycogen
Which of the following molecules use Hydrogen bonding?
A. Water
B. Proteins
C. DNA
D. All of the above
E. None of the Above - Correct Answers -D. All of the above
Proline is an amino acid known as the "helix-breaker" because it is unable to form
hydrogen bonds and prevents the formation of alpha -helices in proteins. This "helix-
breaker" property directly affects what level of protein structure?
A. Quinary Structure
B. Quaternary Structure
C. Tertiary Structure
D. Secondary Structure
E. Primary Structure - Correct Answers -D. Secondary Structure
Why are all Lipids classified as lipids?
A. They are all amphiathic
B. They are all (at least partially) hydrophobic
C. They all have the same monomer
D. They all have the same function
E. They all have the same R Group - Correct Answers -B. They are all (at least partially)
hydrophobic
Which infectious agent is completely lacks any genetic material?
A. Bacteria
B. Protozoa
C. Prions
D. Fungi
E. Viruses - Correct Answers -C. Prions
WITH CORRECT ANSWERS
What is the monomer used to build complex carbohydrates?
A. Amino Acids
B. Nucleotides
C.Water
D.Monosaccharides
E. Steroids - Correct Answers -D. Monosaccharides
Sulfhydryl functional groups (-SH) are found in some proteins and consist of sulfur
(electronegeativity = 2.6) and hydrogen. What type of bond links sulfur to hydrogen?
A. Hydrogen Bond
B. Ionic Bond
C. Nonpolar Covalent Bond
D. Polar Covalent Bond
E. One sigma bond and two pi bonds - Correct Answers -C. Nonpolar Covalent Bond
The Fap1 protein of a bacteria allows the human immune system to identify the bacteria
as foreign and initiate attack against the infection. Fap1 would best be described as a:
A. Glycolipid
B. Channel Protein
C. Phospholipid
D. Carbohydrate
E. Glycoprotein - Correct Answers -E. Glycoprotein
The 3-Carbon molecule that acts as a framework upon which fatty acids and phosphate
are attached in a phospholipid is called:
A. Glycogen
B. Glycerol
C. Functional group
D. Capsid
E. Trans Fat - Correct Answers -B. Glycerol
A viral enveolpe is mainly made up of what type of molecule?
A. Steroids
B. Triglycerides
C. Glycerol
D. Proteins
E. Phospholipids - Correct Answers -E. Phospholipids
, During conjugation, 2 bacteria join up and exchange genetic information. What type of
molecule is passed from one bacterium to another during conjugation?
A.Proteins
B.Carbohydrates
C.Nucleic Acids
D.Lipids
E.Glycoproteins - Correct Answers -C. Nucleic Acids
Which 2 types of molecules are likely to be used for energy storage in animals?
A. Triglycerides and glycogen
B. Starch and Glycogen
C. Glycogen and phospholipids
D. Phospholipids and triglycerides
E. Glycogen and starch - Correct Answers -A. Triglycerides and glycogen
Which of the following molecules use Hydrogen bonding?
A. Water
B. Proteins
C. DNA
D. All of the above
E. None of the Above - Correct Answers -D. All of the above
Proline is an amino acid known as the "helix-breaker" because it is unable to form
hydrogen bonds and prevents the formation of alpha -helices in proteins. This "helix-
breaker" property directly affects what level of protein structure?
A. Quinary Structure
B. Quaternary Structure
C. Tertiary Structure
D. Secondary Structure
E. Primary Structure - Correct Answers -D. Secondary Structure
Why are all Lipids classified as lipids?
A. They are all amphiathic
B. They are all (at least partially) hydrophobic
C. They all have the same monomer
D. They all have the same function
E. They all have the same R Group - Correct Answers -B. They are all (at least partially)
hydrophobic
Which infectious agent is completely lacks any genetic material?
A. Bacteria
B. Protozoa
C. Prions
D. Fungi
E. Viruses - Correct Answers -C. Prions
