#Question id: 2534
#Unit 2. Cellular Organization
How the matrix polysaccharides are differ from the cellulose?
#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: 2536
#Unit 2. Cellular Organization
If the cytoplasm of a cell is at pH 7, and the mitochondrial matrix is at pH 8, then the concentration of H+ ions ________.
#Question id: 2537
#Unit 2. Cellular Organization
Which of the following is the smallest structure that would most likely be visible with a standard (not super-resolution) research-grade light microscope?
#Question id: 2538
#Unit 2. Cellular Organization
Which of the following frequently imposes a limit on cell size?
#Question id: 2539
#Unit 2. Cellular Organization
Which structure is common to plant and animal cells?