Microtubules exist in three forms:

Singlet

Doublet

Triplet

TLS Online TPP Program

#Id: 3811

#Unit 5. Developmental Biology

Chemotaxis of Dictyostelium myxamoebae is a result of spiral waves of cAMP.

TLS Online TPP Program

#Id: 2105

#Unit 8. Inheritance Biology

Williams–Beuren syndrome- Deletion on 7, long arm

TLS Online TPP Program

#Id: 2373

#Unit 5. Developmental Biology

In regenerating planaria, Notum is activated in the anterior-facing blastema, which generates a head.

TLS Online TPP Program

#Id: 2167

#Unit 11. Evolution and Behavior

Natural selection is any consistent difference in fitness among different classes of biological entities.

TLS Online TPP Program

#Id: 8422

#Unit 10. Ecological Principles

The difference between the birth rate and the death rate determines the rate of natural increase or decrease