Which is an example of PPE in the laboratory?

Which of the following is involved in cell to cell recognition?

A sample of animal cells is placed in a salt solution. The cells shrink and the membrane is distorted. Relative to the cell cytoplasm, the solution is probably:

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

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

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

Lactose, a sugar in milk, is composed of one glucose molecule joined by a glycosidic linkage to one galactose molecule. How is lactose classified?

Which of the following organisational levels of a protein is/are lost when a quaternary protein is denatured (choose all that apply):

Which of the following bonds are involved in a protein's primary structure?

A triacylglycerol (also called a triglyceride) is formed when three fatty acids are covalently bound to _____(1)_____ by an _____(2)_____ bond.