1.3 to 1.4 life science

Question 1

6 organic compounds and 2 inorganic compounds a cell needs

Answer 1

organic: carbohydrate, lipid, protein, nucleic acid

inorganic: water mineral (ex sodium)

Question 2

LIPIDS, composition, description, 3 examples

Answer 2

carbon, hydrogen, oxygen

structural components of cell membrane

FAT, OILS, WAXES

Question 3

what are carbohydrates, what are they made of, list 3 examples and their descriptions.

Answer 3

energy rich organic compounds
made of carbon, hydrogen, oxygen

Sugar: Simple carbohydrate

Starches: sugar molecules cpmbine and form large molecules

Cellulose: found in plant cell wall

Question 4

Proteins, description, composition, examples

Answer 4

made of organic molecules , sulfur

meat, fish, nuts beans, dairy

form part of cell membrane, some organelles within a cell

Question 5

what are enzymes

Answer 5

group of proteins that speed up chemical reactions in living things

Question 6

nucleic acids

Answer 6

long organic molecules, contain instructions cells need to carry out functions of life

Question 7

DNA full name

Answer 7

deoxyribonucleic acid

Question 8

DNA description, composition

Answer 8

found in cell’s nucleus, structure is double helix

Question 9

RNA full name

Answer 9

ribonucleic acid

Question 10

water composition, description

Answer 10

2 hydrogen atoms, 1 oxygen. Substances must dissolve in water in chemical reactions of cells.

Question 11

3 key functions of water

Answer 11

1. help cells keep shape
2. keep cell temperature stable
3. move in and out of cells