Change in environmental condition is not necessary for natural selection.

TLS Online TPP Program

#Id: 393

#Unit 2. Cellular Organization

Using the clock analogy again, the DNA associated with H2A.H2B is located from 5 o’clock to 9 o’clock on either face of the nucleosome disc.

TLS Online TPP Program

#Id: 1536

#Unit 2. Cellular Organization

XMAP215 binds free tubulin subunits and delivers them to the plus end of a microtubule, dramatically accelerating polymerization.

TLS Online TPP Program

#Id: 7587

#Unit 5. Developmental Biology

Connection between sperm translocation

and capacitationbefore entering the ampulla of the oviduct, the uncapacitated sperm bindactively to the membranes of the oviduct cells in the the isthmus) & this bindingis temporary and appears to be broken when the sperm become capacitated

TLS Online TPP Program

#Id: 2897

#Unit 3. Fundamental Processes

The origin of the replication region remains attached to the membrane for about one-third of the cell cycle as another part of the mechanism to prevent reinitiation.

TLS Online TPP Program

#Id: 10310

#Unit 4. Cell Communication and Cell Signaling

Regulation and function of T helper subtypes