Once a sperm has reached the oocyte-cumulus complex, hyperactivation, along with a hyaluronidase enzyme on the outside of the sperm cell membrane, enables the sperm to digest a path through the extracellular matrix of the cumulus cells

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#Id: 10231

#Unit 6. System Physiology – Plant

BIN2 is a serine/threonine protein kinase that, in the absence of brassinolide, negatively regulates the closely related transcription factors BES1 and BZR1 by phosphorylation.

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#Id: 3509

#Unit 2. Cellular Organization

The homology between two genes can be plotted in the form of a dot matrix

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#Id: 497

#Unit 2. Cellular Organization

Part of genome which changes expression of genome called as mutable loci or sometimes GENES 

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#Id: 5330

#Unit 7. System Physiology – Animal

Rapid Ventricular Filling

The rapid flow of blood from the atria to the ventricles produces the third heart sound (S3).

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#Id: 8902

#Unit 2. Cellular Organization

Condensins package chromosomes by creating loops by forming intrachromosomal linkages and causes reduction in chromosome length, up to 10,000-fold in vertebrates.