A-LevelBiologyBiological molecules9700/12 · Oct/Nov 2013 · Q101 Mark

Which explains why haemoglobin is able to carry oxygen?

AIt consists of four polypeptides.

BIt contains iron.

CIt has a quaternary structure.

DIt is a globular protein.

✓ Correct answer

B: It contains iron.

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, Oct/Nov 2013 Paper 1 Variant 2, question 10.

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

Which molecules are globular proteins? 1 amylase 2 haemoglobin 3 DNA polymerase

When hydrolysed, which molecules have products containing a carboxyl group? 1 phospholipids 2 polysaccharides 3 proteins

Four solutions were tested with Benedict's solution. The table shows the colour of the solutions after testing. [Tabl…

Compare the characteristic features of the domains Eukarya and Bacteria.

Explain what is meant by bioinformatics and outline the role of bioinformatics following the sequencing of genomes of…

Which eukaryotic cell structures all contain nucleic acids?