BIO 1050 EXAM 2 ECU UPDATED QUESTIONS
AND CORRECT ANSWERS
◉ What monomer makes up proteins? What type of bond links these
two monomers together?
Answer: amino acids
Peptide Bonds Link Amino Acids into Proteins
◉ What are amino acids made of?
Answer: Amino Group and Carboxyl group
carbon, hydrogen, oxygen, nitrogen
◉ What type of reaction links two amino acids together to form a
dipeptide?
Answer: Dehydration Synthesis
◉ How many polar covalent bonds are present in ONE water
molecule?
Answer: 2
◉ How many hydrogen bonds are in the picture below?
Answer: 4 hydrogen bonds
,◉ How many polar covalent bonds are in the picture below?
Answer: 10 Polar Covalent bonds
◉ What type of antigens are present on the red blood cells of a
person with Type B blood?
Answer: B antigens
◉ What blood type is considered the universal donor? What blood
type is considered the universal recipient?
Answer: Universal Donor - Blood type O
Universal Recipient - Blood type AB
◉ What process occurs when antibodies attack a person's red blood
cells? (Think of clumping)
Answer: Agglutination
◉ The Immune System
Answer: Agglutination makes pathogens easier for the immune
system to target.
Antibodies bind to antigens and cause agglutination.
, ◉ Which of the following is absorbed?
Answer: Amino Acids
◉ Proteins are
Answer: made from amino acids absorbed in the small intestine.
◉ DNA and RNA are Nucleic acids that are polymers of what?
Answer: Nucleotides
◉ Sketch out the three parts of a nucleotide
Answer: DNA is Made of deoxyribonucleic Acids
◉ What is the difference between DNA and RNA at the 2' position?
Answer:
◉ What are the four nitrogenous bases in DNA?
Answer: A, T, G, C
◉ What are the four nitrogenous bases in RNA?
Answer: A, U, G, C
AND CORRECT ANSWERS
◉ What monomer makes up proteins? What type of bond links these
two monomers together?
Answer: amino acids
Peptide Bonds Link Amino Acids into Proteins
◉ What are amino acids made of?
Answer: Amino Group and Carboxyl group
carbon, hydrogen, oxygen, nitrogen
◉ What type of reaction links two amino acids together to form a
dipeptide?
Answer: Dehydration Synthesis
◉ How many polar covalent bonds are present in ONE water
molecule?
Answer: 2
◉ How many hydrogen bonds are in the picture below?
Answer: 4 hydrogen bonds
,◉ How many polar covalent bonds are in the picture below?
Answer: 10 Polar Covalent bonds
◉ What type of antigens are present on the red blood cells of a
person with Type B blood?
Answer: B antigens
◉ What blood type is considered the universal donor? What blood
type is considered the universal recipient?
Answer: Universal Donor - Blood type O
Universal Recipient - Blood type AB
◉ What process occurs when antibodies attack a person's red blood
cells? (Think of clumping)
Answer: Agglutination
◉ The Immune System
Answer: Agglutination makes pathogens easier for the immune
system to target.
Antibodies bind to antigens and cause agglutination.
, ◉ Which of the following is absorbed?
Answer: Amino Acids
◉ Proteins are
Answer: made from amino acids absorbed in the small intestine.
◉ DNA and RNA are Nucleic acids that are polymers of what?
Answer: Nucleotides
◉ Sketch out the three parts of a nucleotide
Answer: DNA is Made of deoxyribonucleic Acids
◉ What is the difference between DNA and RNA at the 2' position?
Answer:
◉ What are the four nitrogenous bases in DNA?
Answer: A, T, G, C
◉ What are the four nitrogenous bases in RNA?
Answer: A, U, G, C
