Negative chronotropic effects are decreases in heart rate.

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#Id: 3835

#Unit 5. Developmental Biology

Dictyostelium has evolved developmentally regulated systems of cell-cell adhesion that are necessary for the morphogenesis of individual cells into a coherent organism

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#Id: 10068

#Unit 4. Cell Communication and Cell Signaling

In absence of Ca2+, 

the hinges can flex, the structure becomes floppy & adhesion fails

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#Id: 4013

#Unit 7. System Physiology – Animal

SA node has Prepotential or pacemaker potential which is the gradual potential rise from the resting membrane potential to threshold  ( -40 mV) & this occur spontaneously

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#Id: 8118

#Unit 1. Molecules and their Interaction Relevant to Biology

 Glycosphingolipids as determinants of blood groups.

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#Id: 7571

#Unit 5. Developmental Biology

Mammalian fertilization occurs inside the oviducts  of the female