Each Okazaki fragment starts with a primer sequence of RNA - 10 bases long that provides the 3'-0H end for extension by DNA polymerase.

TLS Online TPP Program

#Id: 4566

#Unit 8. Inheritance Biology

DOMINANT EPISTASIS

In dominant epistasis, however, only a single copy of an allele is required to inhibit the expression of an allele at a different locus.

TLS Online TPP Program

#Id: 1550

#Unit 2. Cellular Organization

Kinesin-1 powers anterograde transport of vesicles down axons toward the (+) ends of microtubules.

TLS Online TPP Program

#Id: 5453

#Unit 7. System Physiology – Animal

During the relative refractory period, stronger than normal stimuli can cause excitation

TLS Online TPP Program

#Id: 442

#Unit 2. Cellular Organization

The nucleosome have 200 bp of DNA with octameric basic proteins into a beadlike structure.

TLS Online TPP Program

#Id: 1374

#Unit 4. Cell Communication and Cell Signaling

Erythropoietin,

• secreted by kidney cells

• promotes proliferation and differentiation of erythroid progenitor cells in the bone marrow to increase the number of mature red cells in the blood