b3 glossary

Across

• 1. part of the structure of lipid molecules (5, 5)
• 4. the site on an enzyme where the reactants bind (6, 4)
• 5. include fats and oils and are found in foods such as butter, olive oil and crisps. they are made of carbon, hydrogen and oxygen . (6)
• 6. a group of specialised cells with a similar structure and function (6)