HARD
Upper Secondary: IGCSE
IMPORTANT
Earn 100

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.

Important Questions on The Chemicals of Life

EASY
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 4 - The Chemicals of Life>Questions>Q 4.1
What is metabolism?
EASY
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 4 - The Chemicals of Life>Questions>Q 4.3
Which three elements are contained in all carbohydrates?
EASY
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 4 - The Chemicals of Life>Questions>Q 4.4
The molecular formula for glucose is C6H12O6. What does this tell you about a glucose molecule?
EASY
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 4 - The Chemicals of Life>Questions>Q 4.5
To which group of carbohydrates do each of these substances belong: (a) glucose, (b) starch, and (c) glycogen?
EASY
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 4 - The Chemicals of Life>Questions>Q 4.6
In what form, do most organisms use carbohydrates in respiration?
EASY
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 4 - The Chemicals of Life>Questions>Q 4.6
In what form, do plants transport carbohydrates around their bodies?
EASY
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 4 - The Chemicals of Life>Questions>Q 4.6
In what form, do plants store carbohydrates in their cells?
EASY
Upper Secondary: IGCSE
IMPORTANT
Cambridge IGCSE® Biology Coursebook Third Edition>Chapter 4 - The Chemicals of Life>Questions>Q 4.8
State two uses of fats for living organisms.