In cardiolipin, two phosphatidic acids share a single glycerol (R1 and R2 are fatty acyl groups).

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#Id: 567

#Unit 2. Cellular Organization

The lac operon has three paradoxes

1-If the operon is in a repressed state, how does the inducer enter the cell to start the process of induction

2- If the operon is in a repressed state, how Repressor is removed with allolactose 

3- How is allolactose synthesized in Repressed state Answer is Leaky Expression

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#Id: 4543

#Unit 12. Applied Biology

DNA is more stable than live vaccines, which avoids the need for refrigeration.

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#Id: 4474

#Unit 13. Methods in Biology

Unobstructed direct light passes through a region of the phase plate that both transmits only a small percentage of the light and changes its phase slightly

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#Id: 6132

#Unit 3. Fundamental Processes

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#Id: 3862

#Unit 5. Developmental Biology

Early on during aggregation, gene expression requires the activity of cAMP-dependent protein kinase.