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 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?

Question 8

What is a Safety Data  Sheet (SDS)?

Which

theory for the evolution of mitochondria in eukaryotic cells is depicted in the

image below?

What is represented by structure D in the following diagram:

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

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

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

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

A nursing infant is able to obtain disease-fighting antibodies, which are large protein molecules, from its mother's milk. These molecules probably enter the cells lining the baby's digestive tract via which process?