Topic 5 Key Words

Question 1

Organic

Answer 1

A compound that contains carbon

Question 2

Inorganic

Answer 2

A compound that does not contain carbon

Question 3

Redox

Answer 3

• Oxidation is Loss of e- or H+

- Reduction is Gain of e- or H+

Question 4

Co enzyme

Answer 4

Non protein molecules that help enzymes to work by transferring other molecules around

Question 5

Phosphorylation

Answer 5

Adding phosphate

Question 6

Photophosphorylation

Answer 6

Using light energy to add a phosphae

Question 7

Photolysis

Answer 7

Using light energy to split a molecule

Question 8

Electron transport chain

Answer 8

When electrons flow through proteins in a membrane

Question 9

Proton

Answer 9

A hydrogen ion

Question 10

Chloroplast

Answer 10

Absorbs light energy which is used for photosynthesis to make useful organic compounds

Question 11

Thylakoid

Answer 11

Have high surface area - increases the rate of photosynthesis. Contain photosynthetic pigment (chlorophyll a, b and Carotene)

Question 12

Calvin cycle

Answer 12

Using products of the light dependent reaction to convert CO2 into useful organic compounds

Question 13

Dehydrogenation

Answer 13

Loss of a hydrogen ion

Question 14

Decarboxylation

Answer 14

Loss of a carbon atom

Question 15

Respiratory substrate

Answer 15

Any biological molecules that can be respired to release energy

Question 16

Mitochondria

Answer 16

The site of respiration in a eukaryote (link reaction, Krebs cycle, oxidative phosphorylation)

Question 17

Population

Answer 17

All the organisms of a species in a habitat

Question 18

Community

Answer 18

All the organisms of all species in a habitat

Question 19

Habitat

Answer 19

The place where an organism lives

Question 20

Niche

Answer 20

The role of a species in an ecosystem

Question 21

Trophic level

Answer 21

Each stage of the food chain

Question 22

Respiratory loss

Answer 22

The energy used by organisms for respiration

Question 23

Calorimetry

Answer 23

Used to estimate the amount of energy stored in dry biomass

Question 24

Saprobiotic nutrition

Answer 24

Digestions/ decay of dead organic matter by extracellular enzymes

Question 25

Saprobiots

Answer 25

Types of decomposers that digest their food by saprobiotic nutrition

Question 26

Saprobiotic nutrition

Answer 26

Digestion of dead organic matter (bodies + waste products) by extracellular enzymes

Question 27

Mycorrbizae

Answer 27

Fungi that grows in a mutualistic relationship with plant roots

Question 28

Natural fertilisers

Answer 28

Contain nitrogen and phosphorous is organic compounds

Question 29

Artificial fertilisers

Answer 29

Inorganic chemical compounds that contain Nitrogen and Phosphorous - water soluble

Question 30

Gross primary production

Answer 30

The total amount of energy made by producers

Question 31

Net primary productivity

Answer 31

The amount of chemical energy a producer stores as biomass