IV.Gymnosperm

Polyembryony - common

Ovules - seeds

Seeds two or more cotyledons

TLS Online TPP Program

#Id: 9058

#XL - T Zoology

Epinephrine --> Gαs-GTP-->Adenylyl cyclase-->cAMP-->PKA

TLS Online TPP Program

#Id: 9546

#XL - T Zoology

In the most famous example of Lamarck’s theory, giraffes must have stretched their necks to reach foliage above them, and so their necks were lengthened

The longer necks were inherited, and over the course of generations, this process was repeated, and their necks got longer and longer. 

TLS Online TPP Program

#Id: 9183

#XL - T Zoology

The selection gradient measures the strength of directional selection acting on a quantitative trait.

TLS Online TPP Program

#Id: 9477

#XL - T Zoology

All SOCS proteins contains:

SH2 domain

SOCS box

TLS Online TPP Program

#Id: 10096

#XL - T Zoology

Integrins have an important function in neuroregeneration after injury of the peripheral nervous system.