A	Silurian	I	Seed plants appear
B	Devonian	II	Gymnosperms dominant
C	Carboniferous	III	Invasion of land by primitive land plants
D	Jurassic	IV	first reptiles

TLS Online TPP Program

#Question id: 1293

#SCPH28 | Zoology

NCAMs, a group of cell-adhesion proteins belonging to the Ig superfamily. Which of the following is not a property of NCAM?

TLS Online TPP Program

#Question id: 1279

#SCPH05 I Biotechnology

A tight junction is made up of which of the following proteins?

a. tricellulin                                                     b. occludin

c. claudin                                                         d. connexins

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#Question id: 662

#SCPH06 I Botany

________ received a Nobel Prize in 1964 for determining the structure of vitamin B12. He/she also solved the structure of penicillin in 1947 and developed many techniques used in the study of large proteins.

TLS Online TPP Program

#Question id: 10502

#SCPH06 I Botany

Arabidopsis roots in iron-deficient growth media, thereby facilitating increased iron uptake. The resulting increase in iron content of the plants by

TLS Online TPP Program

#Question id: 15713

#SCPH28 | Zoology

A relatively ______ concentration of auxin favours cell proliferation and root differentiation while _______levels of cytokinin promote bud differentiation.