Chemistry for Biologists

In and out of cells

1. Active transport involves:
molecules moving by osmosis
cells using energy
molecules moving down a concentration gradient
cells producing energy
2. One of the following is not a role of intrinsic and extrinsic proteins:
osmosis
hormone receptors
pores allowing diffusion of small particles
facilitated diffusion
3. Diffusion is an example of:
osmosis
exocytosis
active transport
passive transport
4. In phospholipids, one fatty acid molecule is replaced by:
phosphoric acid
propanoic acid
stearic acid
ethanoic acid
5. Triglycerides are formed from a reaction between:
glycerine and fatty acid, phosphoric acid or complex sugars
glycerine and amino acids, phosphoric acid or simple sugars
glycerol and amino acids, phosphoric acid and complex sugars
glycerol and fatty acids, phosphoric acid or simple sugars

 

RSC