Peroxisomes contain oxidative enzymes: catalase and urate oxidase.

TLS Online TPP Program

#Id: 8640

#Unit 2. Cellular Organization

In vertebrates, Rb is the major guardian of the cell cycle, integrating information about DNA damage and cell growth

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#Id: 4452

#Unit 13. Methods in Biology

Thicker sections must be fixed, dehydrated, embedded in plastic, sectioned, and then stained with electron dense heavy metals for TEM.

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#Id: 5765

#Unit 10. Ecological Principles

Gini Simpson index of diversity (DGS) = 1 − DS.

DGS and species diversity are positive related

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#Id: 5787

#Unit 7. System Physiology – Animal

Wolff –Chaikoff effect large doses of iodide act directly on the thyroid to produce a mild and transient inhibition of organic binding of iodide and hence of hormone synthesis.

TLS Online TPP Program

#Id: 7408

#Unit 5. Developmental Biology

The engrailed gene is activated in cells that have high levels of the Even-skipped, Fushi tarazu, or Paired & repressed in cells that have high levels of Odd-skipped, Runt, or Sloppy-paired