Biological molecules

What two types of molecules is a triglyceride comprised of?

• Glyceride and fatty acid chains

• Glucose and peptides

• Glycerol and fatty acid chains

• Stefan and Damon Salvatore

What is the highest level of protein structure exhibited by a protein that is composed of more than one polypeptide chain

• Primary

• Secondary

• Tertiary

• Quaternary

Which of these inorganic ions is found in Haemoglobin

• Magnesium

• Iron

• Nitrate

• Phosphate

What type of bond joins Hydrogen atoms to Oxygen atoms within a molecule of water

• Covalent

• Ionic

• Hydrogen

• Disulphide

What type of bond forms between different molecules of water

• Covalent

• Ionic

• Hydrogen

• Disulphide

What type of bond joins two monosaccharides together to form a disaccharide?

• Glucosidic

• Glycosidic

• Ester

• Estree

Which form of glucose is this

• Alpha

• Beta

What is the test for a reducing sugar?

• Biuret

• Benedict's

• Iodine

• Emulsion

Why would sucrose not show a positive result with the Benedict's test?

• It's a reducing sugar

• It's a protein

• It's a non-reducing sugar

• It's an enzyme

What subunits is cellulose made up of?

• Alpha glucose

• Beta glucose

• Alpha and Beta glucose

• Amylose and amylopectin