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Pointers

TLS Online TPP Program

#Id: 8046

#XL - Q Biochemistry #Amino Acids #Part B Pointers

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TLS Online TPP Program

#Id: 10762

#XL - R Botany

Aestivation

Valvate :

When sepals or petals in a whorl just touch one another at the margin, without overlapping, as in Calotropis, it is said to be valvate.e.g., Mimosaceae

Twisted :

If one margin of the appendage overlaps that of the next one and so on as in china rose, lady’s finger and cotton, it is called twisted. e.g., Malvaceae

Imbricate :

If the margins of sepals or petals overlap one another but not in any particular direction as in Cassia and gulmohur, the aestivation is called imbricate. e.g., Caesalppinaaceae

Quincuncial :

the margins of two petals are inside and two petals are outside, and one petal's margin is both inside and outside. e.g., Apocynaceae

Vexillary :

In pea and bean flowers, there are five petals, the largest (standard) overlaps the two lateral petals (wings) which in turn overlap the two smallest anterior petals (keel)

TLS Online TPP Program

#Id: 8847

#XL - R Botany

When CDK activity is low= helicases are loaded in G1

When CDK activity is high= helicases are activated in

S, G2 & M

TLS Online TPP Program

#Id: 9712

#XL - T Zoology

Ste20 serves as a MAPKKK kinase.

TLS Online TPP Program

#Id: 8425