Radial loops in metaphase chromosomes. In the radial loop model of metaphase chromosome organization, domains of 30 kb to 100 kb emanate from a central protein scaffold that spirals through the axis of each chromosome arm..

TLS Online TPP Program

#Id: 1036

#Unit 5. Developmental Biology

Junctional neurulation 

combination of mechanisms involved in both primary and secondary neurulation

TLS Online TPP Program

#Id: 1450

#Unit 4. Cell Communication and Cell Signaling

Ions, low-MW precursors of cellular macromolecules, products of intermediary metabolism, & small intracellular signaling molecules can pass from cell to cell through gap junctions.

TLS Online TPP Program

#Id: 6591

#Unit 7. System Physiology – Animal

Growth hormone is necessary for controlling background metabolic functions of the testes, specifically promotes early division of the spermatogonia themselves

TLS Online TPP Program

#Id: 6715

#Unit 8. Inheritance Biology

Wild-type (Prototrophic) bacteria can use these simple ingredients to synthesize all the compounds that they need for growth and reproduction.

auxotroph lack one or more enzymes necessary for metabolizing nutrients or synthesizing essential molecules

TLS Online TPP Program

#Id: 4316

#Unit 11. Evolution and Behavior

Theories to explain origin of life

Special Creation

Panspermia/ Cosmozoic theory/ Interplanetary theory

Spontaneous Generation