Cellular Processes Definitions

Question 1

Active Site

Answer 1

A specific shaped part of an enzyme where the substrate fits

Question 2

Active Transport

Answer 2

The movement of molecules from an area of low concentration to an area of high concentration. Requires energy

Question 3

Aerobic Respiration

Answer 3

Respiration in the presence of oxygen

Question 4

Anabolic Enzyme

Answer 4

An enzyme that takes small molecules and joins them together

Question 5

Anaerobic Respiration

Answer 5

Respiration with limited oxygen

Question 6

Catabolic Enzyme

Answer 6

An enzyme which takes large molecules and breaks them up

Question 7

Cell Wall

Answer 7

Rigid layer of cells found only in plants

Question 8

Chlorophyll

Answer 8

Pigment found in plants which gives the plant its green colour

Question 9

Chloroplast

Answer 9

Site of photosynthesis

Question 10

Cristae

Answer 10

Part of mitochondria (the folds) where the electron transfer chain occurs

Question 11

Denature

Answer 11

The changing in the shape of the active site of an enzyme, so the substrate can no longer fit - caused by high temperatures and incorrect pH

Question 12

Deoxyribose Nucleic Acid

Answer 12

Full name for DNA

Question 13

Diffusion

Answer 13

The movement of materials from an area of high concentration to an area of low concentration

Question 14

DNA Replication

Answer 14

The copying of DNA before the cell divides

Question 15

Enzymes

Answer 15

Biological catalysts which speed up biochemical reactions in an organism