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TLS Online TPP Program

#Id: 10195

Cytokinin biosynthesis, catalyzed by isopentenyl transferase (IPT), that adds isopentenyl side chain from DMAPP (dimethylallyl diphosphate) to ATP or ADP

#Unit 6. System Physiology – Plant #Cytokinins #Part B Pointers
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TLS Online TPP Program

#Id: 537

#Unit 2. Cellular Organization

The shape of a bacterium is governed by its rigid cell wall.
TLS Online TPP Program

#Id: 538

#Unit 2. Cellular Organization

Some bacterial species are pleomorphic. Example: genera Arthrobacter, Corynebacterium, Mycobacterium, Mycoplasma, etc.
TLS Online TPP Program

#Id: 539

#Unit 2. Cellular Organization

Helical bacteria with: 
1. Less than one turn- vibrioid shape
2. Complete turn- helical shape
TLS Online TPP Program

#Id: 540

#Unit 2. Cellular Organization

Protein filaments in cytoplasm are responsible for the rod and helical cell shapes of bacteria.
TLS Online TPP Program

#Id: 541

#Unit 2. Cellular Organization

Flagella may be:
1. Peritrichous
2. Monotrichous 
3. Lophotrichous
4. Amphitrichous 
TLS Online TPP Program

#Id: 542

#Unit 2. Cellular Organization

Hook and filament are composed of monomeric subunits (flagellin) arranged in a helical fashion.