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WorksheetsUnit 1 Insta-Review
Total questions: 27
Worksheet time: 24mins
What is at the 5' end of a nucleic acid?
Carbon
Hydroxyl
Nitrogenous Base
Phosphate
What is at the 3' end of a nucleic acid?
Carbon
Hydroxyl
Nitrogenous Base
Phosphate
What is the direction of DNA synthesis?
3' to 5’
5' to 3’
It's anti-parallel so either direction is correct
What does antiparallel mean in terms of the nucleic acids?
What type of bond is between nitrogenous bases?
Covalent
Hydrogen
Ionic
Van der Waals
Why would a strand with more G/C bonding be more stable than A/T bonding?
Where are new bonds formed in a growing polypeptide?
Amine group
Carboxyl group
Hydrogen
R-group
What is the bond between amino acids called?
Ester linkage
Glycosidic linkage
Peptide bond
Phosphodiester linkage
Describe the orientation of the amino acids that form the peptide bond
What level of protein structure of is described as hydrogen bonds between backbone?
Primary
Secondary
Tertiary
Quaternary
What level of protein structure of is described as peptide bonds between amino acids?
Primary
Secondary
Tertiary
Quaternary
What level of protein structure of is described as bonding between two polypeptide chains?
Primary
Secondary
Tertiary
Quaternary
What level of protein structure of is described as alpha helix/beta-pleated sheet?
Primary
Secondary
Tertiary
Quaternary
What level of protein structure of is described as bonding between R-groups or the final three-dimensional shape?
Primary
Secondary
Tertiary
Quaternary
What happens if a protein loses its three-dimensional structure?
What pairs with adenine in DNA?
Cytosine
Guanine
Thymine
Uracil
Why does adenine pair with thymine?
What is at the 5’ end of the DNA?
Hydroxyl
Nitrogenous Base
Phosphate
Sugar
What is at the 3’ end of the DNA?
Hydroxyl
Nitrogenous Base
Phosphate
Sugar
How many hydrogen bonds are between C & G?
1
2
3
4
How many hydrogen bonds are between A & T?
1
2
3
4
What is the type of bond in the secondary structure of proteins?
Covalent
Hydrogen
Ionic
Peptide
The tertiary structure involves interactions of the
Amino group
Carboxyl group
Hydrogen
R group
What is the type of bond found in the primary structure of proteins?
Covalent
Hydrogen
Ionic
Peptide
Which describes the orientation for the new peptide bond?
First functional group is on the pre-peptide bond structure and the second functional group is on the post-peptide bond structure.
Amino to Amino
Amino to Carboxyl
Carboxyl to Amino
Carboxyl to Carboxyl
How does the structure of fat differ from the structure of a phospholipid?
Fat has an extra fatty acid
Fat has a phosphate group instead of a fatty acid
Phospholipid has an extra fatty acid
Phospholipids have a phosphate instead of a fatty acid
When new nucleotides are added, which side does it add to?
3’ end
5’ end
