Terms 2

Question 1

Element

Answer 1

Any substance that cannot be broken down into simpler substances

Question 2

Compound

Answer 2

Two or more elements that are chemically combined

Question 3

Lipid

Answer 3

Energy rich organic compound, such as a fat,oil,or wax,that is made of carbon,hydrogen,and oxygen

Question 4

Protein

Answer 4

Large organic molecule made of carbon,hydrogen,oxygen,nitrogen,and sometimes sulfur

Question 5

Enzyme

Answer 5

A type of protein that speeds up a chemical reaction in a living thing

Question 6

Diffusion

Answer 6

The process by which molecules move from an area of higher concentration to an area of lower concentration

Question 7

Osmosis

Answer 7

The diffusion of water molecules through a selectively permeable membrane

Question 8

Photosynthesis

Answer 8

The process by which plants and some other organisms capture the energy in sunlight and use it to make food

Question 9

Chlorophy11

Answer 9

A green pigment found in the chloroplasts of plants algae and some bacteria

Question 10

Cellular respiration

Answer 10

The process by which cells break down simple food molecules to release energy they contain

Question 11

Fermentation

Answer 11

The process by which cells break down molecules to release energy without using oxygen

Question 12

Chromosome

Answer 12

A doubled rod of condensed chromatin ;contains DNA that carries genetic information

Question 13

DNA

Answer 13

Deoxy ribonucleic acid; the genetic material that carries information about an organism and is passed from parent to offspring

Question 14

Mutation

Answer 14

A change in gene or chromesome

Question 15

Organelle

Answer 15

A tiny cell structure that carries out a specific function within the cell