Respriration Flashcards
What is respiration?
A process that releases energy in the form of ATP from the breakdown of organic compounds (e.g. glucose)
What is ATP?
● Short term energy store in all cells
● Universal energy carrier
Why must respiration occur continuously in living
cells?
ATP is required for many essential
processes in living cells e.g. movement,
homeostasis and active transport.
What type of reaction is respiration?
It is an exothermic reaction that releases
energy in the form of heat.
Where do plants get the glucose required for
respiration?
They produce their own glucose during
photosynthesis
Where do animals get the glucose required for
respiration?
From the breakdown of carbohydrates
that they have ingested
What are the two types of respiration?
● Aerobic respiration
● Anaerobic respiration
What is aerobic respiration?
Respiration in the presence of oxygen
that forms ATP from the breakdown of
glucose
Write the word equation for aerobic respiration
glucose + oxygen → carbon dioxide + water (+ATP)
Write the symbol equation for aerobic respiration
C6H12O6
+ 6O2 → 6CO2
+ 6H2O (+ATP)
(Check google if unsure)
What is anaerobic respiration?
Respiration that takes place without
oxygen and forms ATP from the
breakdown of glucose
When may anaerobic respiration take place in
human cells?
During vigorous exercise
When may anaerobic respiration take place in plant
cells?
If the soil becomes waterlogged
Write the word equation for anaerobic respiration in
muscle cells
glucose → lactic acid (+ATP)
C6H12O6 → 2(C3H6O3)
Why may anaerobic respiration in muscle cells
eventually stop?
Lactic acid build-up inhibits anaerobic
respiration
