A-LevelBiologyBiological molecules9700/12 · May/June 2016 · Q71 Mark

Which statement about the quaternary structure of proteins is correct?

Aconsists of four subunits

Bdepends on the presence of metal ions

Cdepends on the primary structure of the subunits

Dis made of α and β subunits

✓ Correct answer

C: depends on the primary structure of the subunits

Oracle Prep sorts past-paper questions by topic, so you can drill Biological molecules and see which topics are most likely to come up next.

Topic: Biological molecules, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, May/June 2016 Paper 1 Variant 2, question 7.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

What may take place during a hydrolysis reaction? 1 a molecule of water is produced 2 a glycosidic bond is broken 3 a…

Which statements about triglycerides and phospholipids are correct? 1 Triglycerides and phospholipids both have a hyd…

A sample of milk is tested with Benedict's solution. After boiling, a yellow colour is observed. Which conclusion is …

Which features do the causative agents of measles, malaria and tuberculosis (TB) have in common? [Table with features…

What explains why most viruses that cause diseases in humans are unaffected by antibiotics?

Why does the white blood cell count increase in people with leukaemia?