In plants, various nonphotochemical quenching (NPQ) processes act as safety valves for photosynthesis that dissipate excess absorbed light energy harmlessly as heat

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#Id: 2574

#Unit 7. System Physiology – Animal

Water is transported through the cells and between the tubular cells by osmosis

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#Id: 105

#Unit 5. Developmental Biology

A cytoplasm that contains many nuclei is called a syncytium.

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#Id: 10441

#Unit 4. Cell Communication and Cell Signaling

(+)-trans-anti-B(a)P-N2-dG

causes polymerase to insert an A rather than a C opposite the modified G base (Transversion mutation)

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#Id: 6967

#Unit 8. Inheritance Biology

Burkitt lymphoma Burkitt lymphoma possess a reciprocal translocation between chromosome 8 and chromosome 2, 14, or 22.  This translocation relocates a gene called c-MYC is next to a gene that encodes an immunoglobulin protein.

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#Id: 4733

#Unit 5. Developmental Biology

A stem cell retains the ability to divide and re-create itself while also having the ability to generate progeny capable of specializing into a more differentiated cell type.