Slow Block to polyspermy

When the cortical granules fuse with the egg cell membrane, they release protein-digesting enzymes that modify the zona pellucida proteins such that they can no longer bind sperm

TLS Online TPP Program

#Id: 7580

#Unit 5. Developmental Biology

The cholesterol efflux from the sperm cell membrane is thought to change the location of its “lipid rafts,” contain receptor proteins that can bind the zona pellucida and participate in the acrosome reaction

TLS Online TPP Program

#Id: 10188

#Unit 6. System Physiology – Plant

TLS Online TPP Program

#Id: 2134

#Unit 8. Inheritance Biology

In paracentric inversion form,

a. Acentric chromatid- Chromatid that lacks a centromere

b. Dicentric chromatid- Chromatid that has two centromere

TLS Online TPP Program

#Id: 678

#Unit 3. Fundamental Processes

The RNA component is typically short 159 bases long in Tetrahymena, and 451 bases long in humans, though 1.3 kb in yeast

TLS Online TPP Program

#Id: 3733

#Unit 10. Ecological Principles