Secondary structure of protein

How often does an Alpha Helix complete a rotation?

• every 3.4 amino acids

• every 3.6 amino acids

• every 3.5 amino acids

• every 3.7 amino acids

How long are the peptide chains in beta sheets?

• 3 to 10 amino acids long

• 10 amino acids long

• 3 to 9 amino acids long

• 2 to 8 amino acids long

What type of arrangement is this structure?

• Parallel Arrangement

• Antiparallel Arrangement

What classifies the secondary structure of protein?

• Spiral pattern

• Folding pattern

• Looping pattern

• Zig zag pattern

What type of arrangement is this structure?

• Parallel Arrangement

• Antiparallel Arrangement

What two groups form a hydrogen bond to stabalize the Alpha helix?

• Carboxyl acid and Amide Hydrogen

• Carbonyl oxygen and Amine hydrogen

• Carbonyl oxygen and Amide hydrogen

• Carboxyl acid and Amine hydrogen

How many amino acid residues can an Alpha helix have?

• up to 10 amino acid residue

• up to 4 amino acid residue

• up to 20 amino acid residue

• up to 40 amino acid residue

What beta formation does a parallel arrangement create?

• Beta turn

• Beta hairpin

• Beta loop

• Beta propellers

What beta formation does an Antiparallel arrangement create?

• Beta hairpin

• Beta turn

• Beta loop

• Beta propeller