#Question id: 11276
#SCPH06 I Botany
Following statement regarding efficiency at different tropic level for secondary production?
A-high production efficiency individual able to survive at little food
B-production efficiency decrease toward increase tropic level
C-aquatic herbivore is more efficient grazer than terrestrial grazer
D- Carnivore assimilation efficiency appear to average around 10%
Which above combination are correct?
#Question id: 14113
#I Life Science/ Life Sciences Group – I-V
#Question id: 2068
#SCPH05 I Biotechnology
Which of the following molecules dramatically increases the rate of diffusion of water across cell membranes?
#Question id: 11798
#SCPH05 I Biotechnology
Companion cells transport of photosynthetic products from producing cells in mature leaves to the sieve elements in the minor veins of the leaf. There are at least three different types of companion cells in the minor veins of mature, exporting leaves, All three cell types have dense cytoplasm and abundant mitochondria;
#Question id: 1679
#SCPH05 I Biotechnology
What is the molecular weight of MHC class II β chain?