Question 8

What is a Safety Data  Sheet (SDS)?

Which of the following properties of water is shown here (a steel paper clip floating on water)?

The following image is of a diatom viewed under a light microscope. The line A—B spanned 64 EPU. The same distance on the student’s drawing of the diatom measured 80 mm. What is  the length (in mm) of the scale bar required to represent 40 μm on the student’s drawing?

What is the structure labelled 'A' in the following diagram of a bacterial cell?

The

following diagram is of the enzyme Rubisco which is one of the most abundant

proteins on earth due to its role in photosynthesis. Which of the following

reactions does Rubisco catalyse?

PDB101.rcsb.org

The following figure represents the electron transport chain. The structures indicated by roman numerals (I, II, III, IV) in this image are:

Which of the following molecules has both hydrophilic and hydrophobic properties and would be found in plasma membranes?

Which of the following statements best describes the protein structure below:

Which of the following molecules act as building blocks (monomers) of polypeptides?

What is the structure labelled 'A' in the following diagram of a bacterial cell?