#Question id: 760
#Unit 1. Molecules and their Interaction Relevant to Biology
Which force can stabilize a DNA double-helix?
#Question id: 1380
#Unit 4. Cell Communication and Cell Signaling
Which of the following apply to the synthesis of plant cell walls? Please select all that apply.
a) Cellulose microfibrils are formed by cellulose synthase complexes called rosettes
b) Cellulose is synthesized using cytoplasmic ATP-glucose and deposited as microfibrils directly on the outer surface of the plasma membrane.
c) Matrix polysaccharides of plant cell walls are synthesized in the Golgi apparatus and exported to the cell wall by endocytosis.
d) The direction of cellulose microfibril growth is determined by the orientation of arrays of microtubules lying just below the plasma membrane.
#Question id: 12071
#Unit 7. System Physiology – Animal
#Question id: 12389
#Unit 7. System Physiology – Animal
#Question id: 26948
#Unit 10. Ecological Principles
Calculate the population doubling time, if given the intrinsic rate of increase is 1.2?