Peroxisomes contain oxidative enzymes: catalase and urate oxidase.

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#Id: 5981

#Unit 10. Ecological Principles

Temperatures are warm in Tropics, Decomposition process are fast and 75% of the litter mass decomposes within 3 months. 

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#Id: 1744

#Unit 4. Cell Communication and Cell Signaling

One individual, however, expresses only a small number of these molecules—up to six different class I molecules and 12 or more different class II molecules.

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#Id: 6010

#Unit 3. Fundamental Processes

In mammalian cells, Cdc6 is controlled differently; it is phosphorylated during S phase, and as a result it is degraded by the ubiquitination pathway.  Cdt1 is initially stabilized by the protein Geminin, which prevents its degradation, and subsequent Geminin binding prevents its reuse

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#Id: 8198

#Unit 2. Cellular Organization

Lysosomes are membrane-enclosed organelles filled with soluble hydrolytic enzymes that digest macromolecules.

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#Id: 5634

#Unit 7. System Physiology – Animal

Rods 

Have low acuity or resolution

are sensitive to low-intensity light

receptors for night vision (scotopic vision)