Once a sperm has reached the oocyte-cumulus complex, hyperactivation, along with a hyaluronidase enzyme on the outside of the sperm cell membrane, enables the sperm to digest a path through the extracellular matrix of the cumulus cells

TLS Online TPP Program

#Id: 856

#Unit 2. Cellular Organization

During infection, most bacteria remain in extracellular spaces and use a specialized mechanism, the type III secretion system (T3SS)

TLS Online TPP Program

#Id: 8935

#Unit 2. Cellular Organization

TLS Online TPP Program

#Id: 8366

#Unit 2. Cellular Organization

Myosin I

single head domain

Function- Membrane association, endocytosis

TLS Online TPP Program

#Id: 6393

#Unit 2. Cellular Organization

The E. coli trp operon contains the 5 genes Trp-EDCBA for the anabolic enzymes to make the tryptophan.

TLS Online TPP Program

#Id: 4560

#Unit 8. Inheritance Biology

RECESSIVE EPISTASIS

The recessive allele of one gene hides the expression of all alleles of another gene. Ex- coat color in Labrador retrievers