C3, C4 and CAM
Plants
Ms. Zaidatul Shakila Mohamad Ashari
Faculty of Applied Sciences UiTM Perak Branch Tapah Campus
, Understand the alternative mechanism on carb
LESSON in C4 and CAM plants.
LEARNING Explain each of the steps in C4 and CAM pathw
O U T C O M E S Differentiate between C3, C4 and CAM plants.
, ADAPTATION OF PLANTS
Minimized Photorespiration
Increase the concentration of CO2 in the leaves so that RuBP carboxylase is less likely to produce glycolate
reaction with O2.
1. C4 Plant (Hatch & Slack pathway) – fix 2. Crassulacean Acid Metabolism
CO2 different cells fix CO2 different time
– Capture CO2 in mesophyll - Allows absorption
cells and release it to the take place at night so
bundle sheath cells, where stomata can be close
CO2 concentration is low. the day to minimize w
Plants
Ms. Zaidatul Shakila Mohamad Ashari
Faculty of Applied Sciences UiTM Perak Branch Tapah Campus
, Understand the alternative mechanism on carb
LESSON in C4 and CAM plants.
LEARNING Explain each of the steps in C4 and CAM pathw
O U T C O M E S Differentiate between C3, C4 and CAM plants.
, ADAPTATION OF PLANTS
Minimized Photorespiration
Increase the concentration of CO2 in the leaves so that RuBP carboxylase is less likely to produce glycolate
reaction with O2.
1. C4 Plant (Hatch & Slack pathway) – fix 2. Crassulacean Acid Metabolism
CO2 different cells fix CO2 different time
– Capture CO2 in mesophyll - Allows absorption
cells and release it to the take place at night so
bundle sheath cells, where stomata can be close
CO2 concentration is low. the day to minimize w
