Respiration
10.1What the syllabus asks of you
- Describe respiration as the chemical reactions in all living cells that release energy from glucose
- State the uses of energy in living organisms including muscle contraction, protein synthesis, cell division, active transport, growth, the passage of electrical impulses along neurones and the maintenance of a constant body temperature
- Investigate and describe the effect of temperature on respiration in yeast
Read the notes first
Chapter 10: Respiration
Drill this topic
Every question on Respiration, untimed, marked as you go.
Make a worksheet
Choose the years and how many questions, then print it with the answers on separate pages.
2 questions
1Oct / Nov 2020 · Paper 11 · Q17Show mark scheme →
Aoil drop moves left — oxygen is used up by the peas
Boil drop does not move — oxygen is used up as fast as carbon dioxide is released
Coil drop does not move — carbon dioxide is absorbed
Doil drop moves right — peas release carbon dioxide
Mark scheme
2Oct / Nov 2019 · Paper 12 · Q17Show mark scheme →
Adiffusion of substances down a concentration gradient
Bmuscle contraction
Cproduction of protease enzymes in the pancreas
Dreplacing heat lost from the body
Mark scheme