The optical activity of a stereoisomer is expressed quantitatively by its optical rotation.

The number of degrees by which plane-polarized light is rotated on passage through a given path length of a solution of the compound at a given concentration.

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#Id: 4243

#Unit 12. Applied Biology

For optimal cell growth, a constant temperature of 370C and 5–10% CO2 is required for incubators to maintained physiological pH (usually pH 7.2–7.4). 

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#Id: 1612

#Unit 4. Cell Communication and Cell Signaling

TLR4 move from the plasma membrane to endosomes/ lysosomes after binding LPS or other PAMPs.

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#Id: 7692

#Unit 1. Molecules and their Interaction Relevant to Biology

                                                  bab Motif

                                                                             

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#Id: 6034

#Unit 3. Fundamental Processes

Direct repeats can be displaced and misaligned with the template; palindromic sequences can form hairpins. These structures may change the number of repeats. The general importance of FEN1 is that it prevents flaps of DNA from generating structures that may cause deletions or duplications in the genome.

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#Id: 1707

#Unit 4. Cell Communication and Cell Signaling

Mast cells are released from the bone marrow into the blood as undifferentiated cells; they mature only after they leave the blood.