How do these factors affect the growth of plants??Watch
Also how does pH affect cells??
*ROUND OF APPLAUSE FOR YOU*
Air temp: impacts enzymatic activity, protein expression, transpiration, stomatal regulation, photosynthesis, photorespiration, etc. Plants grow well in optimal range (large variation based on plants), too low: decreased enzymatic activity, too high, wilting, dissection.
pH on cells: change it and it buggers up enzymatic activity and membrane biochemistry.
Temperature affects the rate of photosynthesis (light independent reactions only) as they are catalysed by enzymes, especially RuBISCo. The higher the temperature, the higher the rate of enzyme activity and thus the metabolic pathway. Up to the optimum, about 40C, After that any increase in temperature causes denaturation of enzymes and will slow growth.
Humidity will affect the rate of transpiration (water loss by evaporation from leaves). On a dry day, the rate of transpiration will be high and plants may wilt.
On a damp day, the rate of transpiration will be reduced, and plants will retain water and be able to hold up their leaves and photosythesise better, with a higher surface area.