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- 1. Multiple Choice
Proteins are made of many ____ bonded together.
amino acids
enzymes
polypeptides
- 2. Multiple Choice
All amino acids have the same basic structure. Which part of the amino acid makes each each one unique?
amino group
carboxyl group
R-group (side chain)
- 3. Multiple Choice
Dehydration synthesis is the reaction that occurs, allowing amino acids to bond. What happens during this process?
add water to build a bond
add water to break a bond
remove water to build a bond
remove water to break a bond
- 4. Multiple Choice
What is the special type of bond that forms between two amino acids?
hydrogen bond
ionic bond
peptide bond
- 5. Multiple Choice
The protein structure that results from hydrogen bonds forming beta pleated sheets and alpha helices is:
primary structure
secondary structure
tertiary structure
quaternary structure
- 6. Multiple Choice
The protein structure that results from a sequence of amino acids is:
primary structure
secondary structure
tertiary structure
quaternary structure
- 7. Multiple Choice
What happens during transcription?
a new strand of DNA is made
a mRNA strand is made from a DNA template
an amino acid chain is made from a mRNA strand
- 8. Multiple Choice
What does RNA polyermerase do?
creates a copy of DNA
separates the DNA and creates a mRNA molecule
creates a copy of DNA
breaks down hydrogen peroxide
- 9. Multiple Choice
What happens during translation?
a new strand of DNA is made
a mRNA strand is made from a DNA template
an amino acid chain is made from a mRNA strand
- 10. Multiple Choice
Where in the cell does translation occur?
cell membrane
mitochondria
nucleus
ribosome
- 11. Multiple Choice
The ribosome reads the mRNA in sets of three bases called the:
anticodon
codon
amino acid
- 12. Multiple Choice
What is a mutation?
a random change in the DNA
a random change in the amino acid chain
an error that occurs when the mRNA is made
- 13. Multiple Choice
What does an enzyme do?
slows down chemical reactions
speeds up chemical reactions
increases the temperature of the reaction
- 14. Multiple Choice
What binds to the enzyme during the reaction?
active site
protein
products
substrate
- 15. Multiple Choice
What happens to an enzyme when the temperature gets very hot?
The reaction slows down because the molecules are moving too slowly.
The reaction performs at the optimum speed.
The reaction does not occur because the enzyme has denatured.
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