Repsiration Topic Key Words (Ms assari)

Question 1

Energy

Answer 1

Something has energy if it has the ability to make something happen when that energy is transferred

Question 2

Respiration

Answer 2

The process of living things in which oxygen is used to release the energy in food

Question 3

Glucose

Answer 3

A simple sugar molecule

Question 4

aerobic respiration

Answer 4

Respiration that involves oxygen

Question 5

Reactant

Answer 5

The starting substance in a chemical reaction

Question 6

Photosynthesis

Answer 6

the process by which energy from sunlight, carbon dioxide and water are used by green plants to produce glucose and oxygen

Question 7

Product

Answer 7

A substance formed from a chemical reaction

Question 8

Germinating

Answer 8

Beginning to grow into a plant from a seed

Question 9

Mitochondria

Answer 9

The structures in a cell that produce energy

Question 10

Membrane

Answer 10

The layer around the cell that control substances entering and leaving the cell

Question 11

Enzymes

Answer 11

A substance that enables a chemical process in a living organism

Question 12

Digestive system

Answer 12

A group of organs that together enable the digestion of food

Question 13

Breathing system

Answer 13

Takes oxygen into the body and passes carbon dioxide out

Question 14

Circulatory system

Answer 14

The heart and blood vessels that transport essential substances around the body in blood

Question 15

Phloem

Answer 15

A tissue made up of long tubes that transport glucose made in leaves of a plant to other parts

Question 16

Stomata

Answer 16

Tiny pores underneath the surface of a leaf through which gases can move in and out

Question 17

Anaerobic respiration

Answer 17

Respiration without using oxygen

Question 18

Lactic acid

Answer 18

A substance produced in anaerobic respiration which builds during vigorous exercise and causes an aching or burning in the muscles

Question 19

Oxygen debt

Answer 19

The oxygen needed to break down lactic acid produced as a result of vigorous exercise

Question 20

Glycogen

Answer 20

A storage molecule formed from a chain of glucose units and often stored in the liver

Question 21

Fermentation

Answer 21

A type of anaerobic respiration that produces ethanol and carbon dioxide

Question 22

Microbe

Answer 22

tiny organisms like bacteria, fungi and viruses that can only be seen by a microscope

Question 23

Yeast

Answer 23

A unicellular (single celled) fungus

Question 24

Brewing

Answer 24

Cereal grains are soaked and fermented with yeast

Question 25

Fossil fuel

Answer 25

Coal, natural gas and oil that were formed from the compresses remains of plants and other organisms that does millions of years ago

Question 26

Independent variable

Answer 26

A variable in an experiment that affects the outcome and is changed

Question 27

Dependant variable

Answer 27

The variable that is measured in an investigation

Question 28

Catalyst

Answer 28

Substance that speeds up a chemical reaction