Examlex
Bonding attraction and repulsion are determined by the distance between the two bonding atoms. Which type of bonding includes a type of repulsion called steric hindrance?
Degradation
The process of breaking down or decomposing substances into simpler forms, as in the breakdown of proteins into amino acids.
Synaptic Cleft
A gap between two nerve cells where neurotransmitters are released from the presynaptic neuron to send signals to the postsynaptic neuron.
Enzymes
Biological molecules that significantly speed up the rate of virtually all of the chemical reactions that take place within cells.
Exocytosis
The process by which cells release substances (such as neurotransmitters and hormones) outside the cell by the fusion of a vesicle with the plasma membrane.
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