Question 1

made up of chains of amino acids

Accepted Answer

protein

Question 2

many joined together to form a protein

Accepted Answer

amino acids

Question 3

a protein which speeds up a chemical reaction in cells

Accepted Answer

enzyme

Question 4

in cell membranes they allow things to pass through

Accepted Answer

protein

Question 5

compounds made of carbon, hydrogen and oxygen

Accepted Answer

carbohydrates

Question 6

a simple carbohydrate molecule

Accepted Answer

sugar

Question 7

a large carbohydrate molecule

Accepted Answer

starch

Question 8

a structure made of the carbohydrate cellulose

Accepted Answer

cell wall

Question 9

a nucleic acid found in all living organisms

Accepted Answer

DNA

Question 10

DNA and RNA are examples of this group of molecules

Accepted Answer

nucleic acids

Question 11

most of the cell membrane is this kind of molecule

Accepted Answer

lipid

Question 12

a cell structure made of lipids and protein

Accepted Answer

cell membrane

Question 13

found in the nucleus, made of DNA twisted round protein

Accepted Answer

chromosome

Question 14

genetic information is stored in this molecule

Accepted Answer

DNA

Question 15

the carbohydrate which makes up cell walls

Accepted Answer

cellulose

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