Modification of root

Storage roots

Epiphytic or Aerial absorbing Roots e.g., Orchids.

Assimilatory roots

Respiratory roots or pneumatophores

Sucking roots or haustoria

Storage roots

Tap roots of carrot, radish, turnip and adventitious roots of sweet potato, dahlia get swollen and store food

TLS Online TPP Program

#Id: 9064

#XL - T Zoology

The activities of GPK and GP are inhibited by a phosphatase called phosphoprotein phosphatase.

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#XL - T Zoology

The promoter or enhancer segments of all genes regulated by PKA contain a cis-acting DNA sequence, the cAMP-response element (CRE), which

contains the highly conserved nucleotide sequence,

5'-TGACGTCA-3'.

TLS Online TPP Program

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#XL - T Zoology

In nucleus PKA phosphorylate serine-133 on a transcription factor called CREbinding (CREB) protein

TLS Online TPP Program

#Id: 9067

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Phosphorylated CREB binds to CRE-containing target genes and also binds to the co-activator termed CBP/P300, thereby stimulating gene transcription

TLS Online TPP Program

#Id: 9068

#XL - T Zoology

TLS Online TPP Program

#Id: 9069

#XL - T Zoology

Inactive PKA is a tetramer consisting of- 

two regulatory (R) subunits

two catalytic (C) subunits