Proteins

Each amino acid is different from the other due to....

• The R group
• The amino group
• The carboxyl group
• The central carbon

Alpha helix and beta sheet are examples of what type of protein structure?

• Primary

• Secondary

• Tertiary

• Quaternary

Which protein structure is only found in proteins with more than one polypeptide chain?

• Primary

• Secondary

• Tertiary

• Quaternary

The diagram shows a bond forming between two amino acids. What is the name of this reaction?

• Dehydration Synthesis
• Hydrolysis
• Pepysis
• Oxidation

Tags

NGSS.HS-LS1-6

Which colored box highlights the amino group?

• Blue (left)

• Turquoise (top)

• Orange

• Red

• Purple

Tags

NGSS.HS-LS1-6

What amino acid is represented by the codon UUA?

• Phenylalanine
• Tyrosine
• Leucine
• Stop codon

Which of the following bonds is found in the secondary structure of a protein?

• Hydrogen

• Peptide

• Covalent

• Ionic

Which of the following structures involves the R groups interacting in a single polypeptide?

• Primary

• Secondary

• Tertiary

• Quaternary

Which accurately describes what occurs during the elongation stage of transcription?

• A completed polypeptide detaches from the ribosome

• RNA polymerase reads the DNA template and adds complementary nucleotides to the growing strand

• RNA polymerase binds to the promoter of a gene

• Introns are spliced from pre-mRNA

What TWO things will be added to a pre-RNA strand during RNA processing?

• Modified Guanine 5' cap

• Extra introns to the 5' end

• Modified Thymine to the 3' end

• Poly A Tail to the 3' end