#Question id: 2535
#Unit 2. Cellular Organization
Expansins belong to a large superfamily of proteins, divided into two major expansin families, α-expansins (EXPAs) and β-expansins (EXPBs), what is the function of these two?
a) EXPAs are more active on eudicot cell walls,whereas EXPBs are more active on grass cell walls
b) EXPAs are more active on grass cell walls, whereas EXPBs are more active on eudicot cell walls
c) EXPAs loosen cellulose–cellulose junctions containing xyloglucan, whereas EXPBs loosen wall complexes containing GAX
d) EXPAs loosen wall complexes containing GAX, whereas EXPBs loosen cellulose–cellulose junctions containing xyloglucan
Which combination is correct from some given above functions of expansins,?
#Question id: 13063
#Unit 13. Methods in Biology
#Question id: 10385
#Unit 6. System Physiology – Plant
The leaves of many species are able to bend toward the sun during its progress across the sky, a phenomenon known as
#Question id: 2234
#Unit 2. Cellular Organization
Which of the following statement(s) is (are) true of transmembrane proteins?
a. All contains a hydrophobic α helix.
b. Some serve as membrane attachment sites for peripheral membrane proteins.
c. Some contain more than one membrane-spanning domain.
d. All are asymmetrically oriented in the lipid bilayer.
#Question id: 28463
#Unit 5. Developmental Biology
First inducers of the lens are foregut endoderm and cardiac mesoderm, Foregut endoderm and cardiac mesoderm cause the synthesis of the factor in the head ectoderm during the late gastrula stage, these type of factor are____