#Question id: 27556
#Unit 1. Molecules and their Interaction Relevant to Biology
#Question id: 1360
#Unit 4. Cell Communication and Cell Signaling
Plasmodesmata of plant cells have .........in common with gap junctions in animal cells, but have .......... that gap junctions lack.
#Question id: 9589
#Unit 6. System Physiology – Plant
The physical mechanism by which excitation energy is conveyed from the chlorophyll that absorbs the light to the reaction centre, By this mechanism the excitation energy is transferred from one molecule to another by a nonradioactive process, this mechanism is known as
#Question id: 13120
#Unit 2. Cellular Organization
Target organelle |
Location of sequence within
protein |
Removal of sequence |
Nature of sequence |
1- ER |
i- N- terminal |
a- yes |
P- Core of 6-12 hydrophobic aa
often preceded by one or more basic ammo acids (Arg, Lys) |
2-Mtochrondria matrix |
ii- N- terminal |
b- yes |
Q- Multiple different kinds; rich in Lys and Arg residues |
3-Chloroplast stroma |
iii- N- terminal |
c- no |
R- Lys and arg one side and other
side hydrophobic aa |
4-Nucleus |
iv-varies |
d- yes |
S- Generally rich in ser and thr,
poor in glu and asp |
#Question id: 10350
#Unit 6. System Physiology – Plant
Ammonium can be assimilated via an alternative pathway rather than primary pathway which involves the sequential actions of glutamine synthetase(GS) and glutamate synthase(GOGAT), these alternative pathway catalyzes by enzyme known as,