TLS Online TPP Program

#Question id: 28461


Head ectoderm is competent to respond to the paracrine factors made by the optic vesicles & induced to form the lens of the eye. If the optic vesicle is removed resulting,

#Unit 5. Developmental Biology
  1. surface ectoderm forms either an abnormal lens or no lens at all
  2. surface ectoderm forms presumptive trunk and abdomen
  3.  surface ectoderm forms the retina
  4. surface ectoderm forms normal eye lens takes place
More Questions
TLS Online TPP Program

#Question id: 14951

#Unit 6. System Physiology – Plant

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,?

TLS Online TPP Program

#Question id: 14952

#Unit 6. System Physiology – Plant

Some are thin areas where the primary wall is not covered by a secondary wall and are populated with plasmodesmata known as

TLS Online TPP Program

#Question id: 14953

#Unit 6. System Physiology – Plant

Which of the following is a wound-inducible glucan composed primarily of β(1,3)-linkages?

TLS Online TPP Program

#Question id: 14954

#Unit 6. System Physiology – Plant

Which of the following cell wall polysaccharides are also known as matrix polysaccharides?

TLS Online TPP Program

#Question id: 14955

#Unit 6. System Physiology – Plant

Given some plant chemical composition, which one of these are soluble in water?

TLS Online TPP Program

#Question id: 14956

#Unit 6. System Physiology – Plant

Where is the catalytic domain of cellulose synthase located?