Compositon Of Living Things Flashcards
1
Q
What is an atom
A
The smallest part of and element
2
Q
What is an element
A
A substance made from all the same types of atoms
3
Q
What is a compound
A
A substance containing more then 1 type of atom bonded together
4
Q
What is a molecule
A
It contains two or more atoms bonded together
5
Q
What is calcium used for
A
It strengthens bones and teeth
6
Q
What is iron used for
A
It makes up a large part of haemoglobin
7
Q
What is magnesium used for
A
It is a main part of chlorophyll
8
Q
What is phosphorus used for
A
It is in DNA RNA ATP and Phospholipids
9
Q
What is a micronutrient
A
It is a element only required in tiny quantities
10
Q
What is the structure of a phospholipid
A
The head is made from phosphate and glycerol and is hydrophilic and the tail is made from fatty acids and is hydrophobic
