EPIGENETICS

Genomic imprinting is just one form of a phenomenon known as epigenetics.

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#Id: 4508

#Unit 13. Methods in Biology

EEG waves are not action potentials.

The EEG waves originate from alternating excitatory and inhibitory synaptic potentials that produce sufficient extracellular current flow across the cortex.

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#Id: 4484

#Unit 13. Methods in Biology

The electrocardiogram (ECG or EKG) is a measures the electrical activity of the heart.

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#Id: 5418

#Unit 7. System Physiology – Animal

Ependymal cells are ciliated-epithelial glial cells that develop from radial glia along the surface of the ventricles of the brain and the spinal canal & play a critical role in cerebrospinal fluid homeostasis, brain metabolism, and the clearance of waste from the brain.

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#Id: 7766

#Unit 1. Molecules and their Interaction Relevant to Biology

Atoms are indivisible particles that can't be created or destroyed in a chemical reaction

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#Id: 1582

#Unit 4. Cell Communication and Cell Signaling

Antagonists of Wnt:

Secreted frizzled-related protein (Sfrp)

Wnt inhibitory factor (Wif)

Dickkopf (Dkk) family