Flow chart of the fractionation protocol of these membranes from tissue homogenates
using differential centrifugation and density gradient methodology.

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#Id: 387

#Unit 2. Cellular Organization

The nucleosome has an approximate twofold axis of symmetry, called the dyad axis.

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#Id: 1854

#Unit 3. Fundamental Processes

Class II promoters have two parts:

Core promoter having 4 elements

Upstream promoter element

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#Id: 7258

#Unit 6. System Physiology – Plant

The rate of CO2 fixation increases with time in the first few minutes after the onset of illumination—a time lag called the induction period

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#Id: 9325

#Unit 4. Cell Communication and Cell Signaling

Each opsin molecule has multiple principal serine and threonine phosphorylation sites on its cytosol-facing C-terminal segment.

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#Id: 6525

#Unit 7. System Physiology – Animal

Norepinephrine produces vasoconstriction via  α1 receptors, but epinephrine dilates the blood vessels in skeletal muscle and liver via β2 receptors