Amino acids and protein structure Quiz
Studying this course? Keep your progress in one place.
Pick an answer for each. Quizzes never use energy.
5 questions, one answer each
Each answer is checked as you go, with why.
See all 5 questions
1. Which bond is formed in a condensation reaction between two amino acids?
- A. Ionic bond
- B. Peptide bond
- C. Disulfide bridge
- D. Hydrogen bond
2. What distinguishes one amino acid from another?
- A. The amino group
- B. The carboxyl group
- C. The R group
- D. The central carbon
3. Which level of structure is held by hydrogen bonds between the peptide links?
- A. Secondary
- B. Primary
- C. Tertiary
- D. The R groups only
4. Which statement about collagen is correct?
- A. It is globular and soluble
- B. It is a fibrous protein with cross-linked chains
- C. It carries oxygen
- D. It acts as an enzyme
5. A solution gives a blue colour with biuret reagent. What can be concluded?
- A. It contains a protein
- B. It contains a denatured protein
- C. It contains glucose
- D. It contains no peptide bonds