Signalling
Transduction
Enzymes I
Enzymes II
Mixed Lollies
100

The cell that is sending the message.

What is a signalling cell?

100

The main molecule involved in phosphorylation cascades.

What is ATP?

100

The end result of a reaction.

What are products?

100

The binding section of the enzyme

What is the active site?

100

Volatile compounds used by animals (especially insects) to communicate.

What are pheromones?

200

A signal effecting nearby cells. 

What is a paracrine signal?

200

A receptor sitting on the outer cell membrane.

What is an extracellular receptor?

200

The reactants that enzymes act on. 

What are substrates?

200

Non-protein enzyme helpers which assist some enzymes in catalysing.

What are cofactors?

200

The process that causes egg whites to change colour when they are cooked.

What is denaturing?
300

A specific molecule, ion, or atom that binds to a receiving cell.

What is a ligand?

300

The end result of a signal transduction cascade.

What is a cellular response?

300

The initial energy required to start a chemical reaction.

What is the free energy of activation or activation energy?

300

An inhibitor that only temporarily binds to an enzyme.

What is a reversible inhibitor?

300

The cycle controlled by the reception of blue light by cryptochromes.

What is the Circadian rhythm?

400

Signals that travel through the circulatory systems of animals and the vascular systems of plants.

What are hormones?

400

Free space! I ran out of ideas for questions. So whoever can correctly guess my favourite colour, gets the points!

What is yellow?

400

A reaction where energy must be added.

What is an endergonic reaction?

400

An inhibitor that does not bind to the active site of an enzyme.

What is a noncompetitive inhibitor?

400

An essential cofactor in collagen synthesis.

What is vitamin C?

500
Structures for juxtacrine signalling in animals. 

What are gap junctions?

500

The ion involved in the cascade that occurs when a sperm meets an egg.

What is Ca2+?

500

Enzyme that catalyzes the "sucrose -> glucose + fructose" reaction.

What is sucrase?

500

The main type of bonds enzymes will temporarily form with substrates.

What are covalent bonds?

500

A competitive inhibitor which interrupts the Kreb's cycle and causes elevated citrate levels

What is the 1080 poison/sodium flurocitrate?