BIO 1050 EXAM 2 QUESTIONS AND
ANSWERS
What are the four protein structure types? - Correct Answers -Primary structure
Secondary structure
Tertiary structure
Quaternary structure
What monomer makes up proteins? What type of bond links these two monomers
together? - Correct Answers -amino acids
Peptide Bonds Link Amino Acids into Proteins
What are amino acids made of? - Correct Answers -Amino Group and Carboxyl group
carbon, hydrogen, oxygen, nitrogen
What type of reaction links two amino acids together to form a dipeptide? - Correct
Answers -Dehydration Synthesis
How many polar covalent bonds are present in ONE water molecule? - Correct Answers
-2
How many hydrogen bonds are in the picture below? - Correct Answers -4 hydrogen
bonds
How many polar covalent bonds are in the picture below? - Correct Answers -10 Polar
Covalent bonds
What type of antigens are present on the red blood cells of a person with Type B blood?
- Correct Answers -B antigens
What blood type is considered the universal donor? What blood type is considered the
universal recipient? - Correct Answers -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) - Correct Answers -Agglutination
The Immune System - Correct Answers -Agglutination makes pathogens easier for the
immune system to target.
, Antibodies bind to antigens and cause agglutination.
Which of the following is absorbed? - Correct Answers -Amino Acids
Proteins are - Correct Answers -made from amino acids absorbed in the small intestine.
DNA and RNA are Nucleic acids that are polymers of what? - Correct Answers -
Nucleotides
Sketch out the three parts of a nucleotide - Correct Answers -DNA is Made of
deoxyribonucleic Acids
What is the difference between DNA and RNA at the 2' position? - Correct Answers -
What are the four nitrogenous bases in DNA? - Correct Answers -A, T, G, C
What are the four nitrogenous bases in RNA? - Correct Answers -A, U, G, C
Is DNA single stranded or double stranded? Is RNA single stranded or double
stranded? - Correct Answers -DNA - Double stranded (double helix)
RNA - Single stranded
When individual monomers are linked into a protein, or individual monomers are linked
to make a strand of DNA or RNA, it is - Correct Answers -a dehydration reaction.
What reaction breaks the bond between two amino acids (peptide bond)? - Correct
Answers -Hydrolysis Breaks Polymers
What are the two purines? - Correct Answers -Adenine and Guanine
Ag (Silver) is PURE
What are the three pyrimidines? - Correct Answers -Cytosine, Uracil, Thymine
Pyramids CUT
How many rings do purines have? How many rings do pyrimidines have? - Correct
Answers -Purines - 2
Pyrimidines -1
The 5' phosphate of one nucleotide forms a bond with the ____________ of another
nucleotide. - Correct Answers -3' carbon (sugar)
ANSWERS
What are the four protein structure types? - Correct Answers -Primary structure
Secondary structure
Tertiary structure
Quaternary structure
What monomer makes up proteins? What type of bond links these two monomers
together? - Correct Answers -amino acids
Peptide Bonds Link Amino Acids into Proteins
What are amino acids made of? - Correct Answers -Amino Group and Carboxyl group
carbon, hydrogen, oxygen, nitrogen
What type of reaction links two amino acids together to form a dipeptide? - Correct
Answers -Dehydration Synthesis
How many polar covalent bonds are present in ONE water molecule? - Correct Answers
-2
How many hydrogen bonds are in the picture below? - Correct Answers -4 hydrogen
bonds
How many polar covalent bonds are in the picture below? - Correct Answers -10 Polar
Covalent bonds
What type of antigens are present on the red blood cells of a person with Type B blood?
- Correct Answers -B antigens
What blood type is considered the universal donor? What blood type is considered the
universal recipient? - Correct Answers -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) - Correct Answers -Agglutination
The Immune System - Correct Answers -Agglutination makes pathogens easier for the
immune system to target.
, Antibodies bind to antigens and cause agglutination.
Which of the following is absorbed? - Correct Answers -Amino Acids
Proteins are - Correct Answers -made from amino acids absorbed in the small intestine.
DNA and RNA are Nucleic acids that are polymers of what? - Correct Answers -
Nucleotides
Sketch out the three parts of a nucleotide - Correct Answers -DNA is Made of
deoxyribonucleic Acids
What is the difference between DNA and RNA at the 2' position? - Correct Answers -
What are the four nitrogenous bases in DNA? - Correct Answers -A, T, G, C
What are the four nitrogenous bases in RNA? - Correct Answers -A, U, G, C
Is DNA single stranded or double stranded? Is RNA single stranded or double
stranded? - Correct Answers -DNA - Double stranded (double helix)
RNA - Single stranded
When individual monomers are linked into a protein, or individual monomers are linked
to make a strand of DNA or RNA, it is - Correct Answers -a dehydration reaction.
What reaction breaks the bond between two amino acids (peptide bond)? - Correct
Answers -Hydrolysis Breaks Polymers
What are the two purines? - Correct Answers -Adenine and Guanine
Ag (Silver) is PURE
What are the three pyrimidines? - Correct Answers -Cytosine, Uracil, Thymine
Pyramids CUT
How many rings do purines have? How many rings do pyrimidines have? - Correct
Answers -Purines - 2
Pyrimidines -1
The 5' phosphate of one nucleotide forms a bond with the ____________ of another
nucleotide. - Correct Answers -3' carbon (sugar)
