EASY
Upper Secondary: IGCSE
IMPORTANT
Earn 100
Name two elements found in proteins that are not found in carbohydrates.
Important Questions on The Chemicals of Life
EASY
Upper Secondary: IGCSE
IMPORTANT
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
How many amino acids are there?
EASY
Upper Secondary: IGCSE
IMPORTANT
Give two examples of proteins.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
State three functions of proteins in living organisms.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
For the carbohydrates, cellulose is, state: i. whether it is a monosaccharide, disaccharide, or polysaccharide; ii. whether it is found in plants only, animals only, or in both plants and animals; iii. one function.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Name the small molecules that are linked together to form a protein molecule.
MEDIUM
Upper Secondary: IGCSE
IMPORTANT
Name the substance which the emulsion test detects.
HARD
Upper Secondary: IGCSE
IMPORTANT
Imagine that you have been given two colourless solutions. Describe how you could find out which of them contains the greater concentration of reducing sugar. You will need to think carefully about all the different variables that you would need to keep constant.
