Resolving power or resolution is the ability to distinguish between two very closely positioned objects.

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#Id: 7254

#Unit 5. Developmental Biology

Properties of thymus-dependent and thymus-independent antigens

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#Id: 6249

#Unit 8. Inheritance Biology

EPIGENETICS

Genomic imprinting is just one form of a phenomenon known as epigenetics.

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#Id: 509

#Unit 2. Cellular Organization

Complexity (denoted by N) is the number of base pairs of unique or nonrepeating DNA in a given segment of DNA

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#Id: 7533

#Unit 6. System Physiology – Plant

Dense plastids serve as gravity sensors

Gravity does not form gradient.

The only way of sensing gravity is through the motion of a sedimenting body.

In plants intracellular gravity sensors are large, dense amyloplast.

Statoliths –amyloplasts that function as gravity sensors.

Statocytes-specialized gravity sensing cells in which statoliths are present.

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#Id: 6302

#Unit 3. Fundamental Processes

During abortive Transcription, RNA Polymerase Remains Stationary and Pulls Downstream DNA into Itself RNA polymerase produces and releases short RNA transcripts of 10 nucleotides (abortive synthesis) before escaping the promoter, 

 

During abortive Transcription, RNA Polymerase Remains Stationary and Pulls Downstream DNA into Itself

RNA polymerase produces and releases short RNA transcripts of 10 nucleotides (abortive synthesis) before escaping the promoter, entering the elongation phase, and synthesizing the proper transcript. It has long been unclear how the enzyme’s active site translocates along the DNA template during initial abortive cycles of transcription. Three general models were proposed:- “transient excursion”, “Inchworming”, “Scrunching”