Chemotaxis 

sperms are attracted toward eggs of their species by following a gradient of a chemical secreted by the egg.

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#Id: 8853

#Unit 2. Cellular Organization

Cohesins 

The protein ring complexes that establish linkages between sister chromatids

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#Id: 2507

#Unit 13. Methods in Biology

Two-Dimensional Polyacrylamide Gel Electrophoresis  technique combines the technique of IEF (first dimension), which separates proteins in a mixture according to charge (pI), with the size separation technique of SDS–PAGE (second dimension).

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#Id: 9393

#Unit 11. Evolution and Behavior

Hygienic behaviour in honeybee (Inherited)

uu ‐ Uncapping  

rr‐ Cleaning

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#Id: 2094

#Unit 8. Inheritance Biology

Tandem duplication- Duplicated chromosome segment is adjacent to the original segment.

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#Id: 5670

#Unit 7. System Physiology – Animal

Stereocilia (all are the same height)

are present in all hair cells

have cores of actin filaments coated with isoforms

of myosin 

increase progressively in height; along the perpendicular axis