Endoplasmic reticulum

Network of interconnected membranous structures within the cytoplasm of eukaryotic cells contiguous with the outer nuclear envelope.

TLS Online TPP Program

#Id: 5288

#Unit 7. System Physiology – Animal

Activation of the M2 receptors decreases cyclic adenosine 3′,5′-monophosphate (cAMP) in the cells, and this slows the opening of Ca 2+ channels.

TLS Online TPP Program

#Id: 1412

#Unit 4. Cell Communication and Cell Signaling

In vertebrate smooth muscle, phosphorylation of the myosin regulatory light chain activates contraction in Ca2+ dependent manner.

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#Id: 5308

#Unit 7. System Physiology – Animal

Isovolumetric Ventricular Contraction As soon as ventricular pressure exceeds atrial pressure, the AV valve closes. 

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#Id: 2188

#Unit 10. Ecological Principles

Primary succession - refers to succession on a newly exposed site that was not previously occupied by soil and vegetation.

Secondary succession - refers to succession on a site that has already supported life but that has undergone a disturbance.

TLS Online TPP Program

#Id: 4931

#Unit 1. Molecules and their Interaction Relevant to Biology

Non-competitive inhibition