Classes of secondary metabolites, have strong antimicrobial activity have been proposed to function as defenses against pathogens in the intact plant these are_____X_______,  a group of triterpenes thought to disrupt fungal membranes by binding to sterols

#Question id: 10201

#Unit 6. System Physiology – Plant

Chloroplasts orientation in Algae is controlled by

#Question id: 10202

#Unit 6. System Physiology – Plant

What will happen if C4 leaves are exposed to low O2 concentrations?

#Question id: 10203

#Unit 6. System Physiology – Plant

Light-response curves of photosynthetic carbon fixation in sun and shade plants. Typically, shade plants have a low light compensation point and have lower maximum photosynthetic rates than sun plants this is because respiration rates in shade plants are very low; which of the following graph is correct?

#Question id: 10204

#Unit 6. System Physiology – Plant

When exposed to excess light, leaves must dissipate the surplus absorbed light energy to prevent damage to the photosynthetic apparatus. There are several routes for energy dissipation that involve,

#Question id: 10205

#Unit 6. System Physiology – Plant

The xanthophyll cycle, which comprises the three carotenoids violaxanthin, antheraxanthin, and zeaxanthin, establishes an ability to dissipate excess light energy in the leaf, Under high light the conversion of the carotenoids such as

#Question id: 10206

#Unit 6. System Physiology – Plant

The excess energy is absorbed by three carotenoids molecules such as violaxanthin, antheraxanthin, and zeaxanthin, which of the following statements correct about these molecules?