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TLS Online TPP Program

#Id: 7612

A second slow block to polyspermy comes from the so-called zinc spark, the release of billions of zinc ions that is induced by the entry of the first sperm These released zinc ions are bind to the zona pellucida

#Unit 5. Developmental Biology #Fertilization #Part B Pointers
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TLS Online TPP Program

#Id: 3499

#Unit 12. Applied Biology

Release of phenolic compounds from the cut surfaces of explants causes browning of tissue culture medium.
TLS Online TPP Program

#Id: 4230

#Unit 12. Applied Biology

Primary cultures are cells derived directly from tissues following enzymatic dissociation or from tissue fragments referred to as explants.
TLS Online TPP Program

#Id: 4231

#Unit 12. Applied Biology

Continuous cell lines are the cell lines that has gained the ability for infinite growth after transformation, which can occur spontaneously or can be chemically or virally induced. 
TLS Online TPP Program

#Id: 4233

#Unit 12. Applied Biology
TLS Online TPP Program

#Id: 4237

#Unit 12. Applied Biology

Hayflick limit of animal cell culture
TLS Online TPP Program

#Id: 4240

#Unit 12. Applied Biology

Most cells are anchorage dependent and must be cultured while attached to a solid or semi-solid substrate (adherent or monolayer culture), while others can be grown floating in the culture medium (suspension culture).