Natural selection was Darwin’s brilliant hypothesis, independently conceived by Wallace, that accounts for adaptations, features that appear “designed” to fit organisms to their environment.

TLS Online TPP Program

#Id: 8607

#XL - R Botany

Cdk1 

=Cdc2 (vertebrates and fission yeast)

= Cdc28  (budding yeast)

TLS Online TPP Program

#Id: 9273

#XL - Q Biochemistry

TLS Online TPP Program

#Id: 10092

#XL - T Zoology

Inside-out signaling

intracellular signaling pathways can, via adapter proteins, modify the ability of integrins to bind

to their extracellular ligands

TLS Online TPP Program

#Id: 8411

#XL - Q Biochemistry

In the absence of Ca2+, muscle is relaxed

TM blocks myosin’s interaction with F-actin

TLS Online TPP Program

#Id: 9724

#XL - R Botany

Calcium oxalate crystals are present in the vacuoles of many species, and may be distributed evenly throughout the leaf or restricted to specialized cells called idioblasts