Diffusion of ions across membranes through specific ion channels is driven by:

#Question id: 3893

#SCPH28 | Zoology

Protein structural motifs often have general functions in common.  Which one of the following motifs is known to be involved in protein dimer formation, but not in direct protein-DNA interactions?

#Question id: 2671

#SCPH05 I Biotechnology

The "on/off" switch for an operon is called the

#Question id: 305

#I Life Science/ Life Sciences Group – I-V

Conditions for ionic bond formation is / are________

(A) Small cation, large anion

(B) Low IP of cation, high electron affinity of anion

(C) Large cation, small anion and less charge

(D) Less lattice energy

Correct answer is:

#Question id: 10276

#SCPH05 I Biotechnology

In glycolysis, the enzyme glyceraldehyde 3-phosphate dehydrogenase catalyzes;

#Question id: 2109

#I Life Science/ Life Sciences Group – I-V

A phospholipid bilayer with equal amounts of saturated and unsaturated fatty acids displays a specific permeability to glucose. What effect will increasing the proportion of unsaturated fatty acids in the bilayer have on the membrane's permeability to glucose?