Listeria is a food-borne bacterial pathogen has on its surface a protein ActA, which mimics an NPF that efficiently activates the Arp2/3 complex.

TLS Online TPP Program

#Id: 7609

#Unit 5. Developmental Biology

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

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#Id: 9084

#Unit 4. Cell Communication and Cell Signaling

TLS Online TPP Program

#Id: 9044

#Unit 4. Cell Communication and Cell Signaling

TLS Online TPP Program

#Id: 8869

#Unit 2. Cellular Organization

Yeast cells with a defective wee1+ gene activate mitotic CDKs prematurely and premature entry into mitosis (smaller than normal cells

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#Id: 10257

#Unit 6. System Physiology – Plant

when seed abscisic acid (ABA) content is highest 

Accumulation of disaccharides and oligosaccharides

Synthesis of storage proteins

Synthesis of late-embryogenesis-abundant (LEA) proteins

Synthesis of small heat shock proteins (smHSPs)

Activation of antioxidative defenses

Changes in the physical structure of cells

Gradual increase in cell density