#Question id: 116
#Unit 1. Molecules and their Interaction Relevant to Biology
A compound containing N-acetylneuraminic acid (sialic acid) is:
#Question id: 29464
#Unit 6. System Physiology – Plant
#Question id: 985
#Unit 1. Molecules and their Interaction Relevant to Biology
In the pyrimidine ring system, what is the source of the carbons 4,5 and 6 during the de novo biosynthesis of pyrimidines?
#Question id: 10561
#Unit 6. System Physiology – Plant
Integral membrane proteins that form water-selective channels across the membrane, Because water diffuses faster through such channels than through a lipid bilayer
#Question id: 4572
#Unit 11. Evolution and Behavior
Of the following anatomical structures, which is homologous to the wing of a bird?