Species specific recognition of sea urchin gametes can occur at the various level such as____ 

a) sperm attraction 

b) sperm activation

c) the acrosome reaction

d) sperm adhesion

e) Cortical Granules reaction

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#Question id: 12112

#Unit 10. Ecological Principles

The presence of altruistic behaviour is most likely due to kin selection, a theory maintaining that

TLS Online TPP Program

#Question id: 1299

#Unit 4. Cell Communication and Cell Signaling

Pectins and hyaluronic acid are both:

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#Question id: 1221

#Unit 4. Cell Communication and Cell Signaling

If an animal cell suddenly lost the ability to produce GTP, what might happen to its signaling system?

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#Question id: 964

#Unit 1. Molecules and their Interaction Relevant to Biology

In mammals, ureogenesis occurs almost exclusively in the ________.

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#Question id: 27042

#Unit 10. Ecological Principles

Specific number of predators will keep the prey population at zero growth, represents