Enzymes - functions

Question 1

Catalyses the synthesis of ATP and it is embedded in the thylakoid membrane.

Answer 1

ATP Synthase

Question 2

Catalyses the hydrolysis of ATP

Answer 2

ATP Hydrolase

Question 3

A co-enzyme that transfers hydrogen from one molecule to another during photosynthesis (reduces + oxidises)

Answer 3

NADP

Question 4

Rubulose biphosphate (RuBP) combines with CO2 to form 2 x Glycerate 3-phosphate (3C) using the enzyme

Answer 4

Rubisco (ribulose bisphosphate carboxylic)

Question 5

The three co-enzymes used in Respiration

Answer 5

NAD, FAD and co-enzyme A

Question 6

An enzyme that synthesises RNA from DNA

Answer 6

RNA polymerase

Question 7

An enzyme that makes a DNA copy of RNA

Answer 7

Reverse transcriptase

Question 8

An enzyme that recognises specific recognition sequences and cuts DNA at these places

Answer 8

Restriction endonuclease enzyme

Question 9

An enzyme that catalyses the hydrolysis of proteins

Answer 9

Peptidases

Question 10

An enzyme that joins together the sticky ends of DNA fragments

Answer 10

Ligase

Question 11

What is an enzyme?

Answer 11

A protein that speeds up the rate of chemical reactions, biological catalyst that doesn’t get used up

Question 12

An endopeptidase enzyme that hydrolyses peptide bonds within a protein

Answer 12

Dipeptidases

Question 13

An enzyme that hydrolyses peptide bonds within a protein

Answer 13

Endopeptidase

Question 14

An enzyme that hydrolyses the peptide bonds at the end of proteins to remove single amino acids

Answer 14

Exopeptidase

Question 15

An enzyme that transfers hydrogen and electrons from one molecule to another

Answer 15

Dehydrogenase

Question 16

An enzyme that converts ATP to cyclic AMP (aka. cAMP) in the response of Adrenaline

Answer 16

Adenylate Cyclase

Question 17

An enzyme that activates a chain of reactions that break down glycogen&raquo_space;> glucose

Answer 17

Protein Kinase A