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IB Biology SL B1.2.1 Generalized Amino Acid Structure Questions

Practise IB Biology SL B1.2.1 by drawing an amino acid with four groups around its alpha carbon and identifying proteins in sulfur-content questions.

Syllabus
First assessment 2025
Course
Biology SL
Level
SL

Exam points

  • Draw an amino acid with the alpha carbon bonded to amine, carboxyl, H and R-group.
  • Identify proteins as the biological molecules that may contain sulfur.

IB Biology SL B1.2.1 Generalized Amino Acid Structure Questions question 1

[Maximum number: 1]

The diagram shows the molecular structure of the amino acid leucine.

Figure for Question IB Biology SL B1.2.1 Generalized Amino Acid Structure Questions question 1 — IB Biology SL

Draw a circle on the diagram to enclose the carboxyl group.

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