A human cell has about 1000–2000 mtDNA molecules

A human egg has about 500,000 mtDNA molecules

A sperm has only about 100 mtDNA molecules

TLS Online TPP Program

#Id: 7893

#XL - Q Biochemistry

A human cell has about 1000–2000 mtDNA molecules

A human egg has about 500,000 mtDNA molecules

A sperm has only about 100 mtDNA molecules

TLS Online TPP Program

#Id: 7876

#XL - Q Biochemistry

Mitochondria diameter of 0.5–1μm, dynamic, moving about the cell, constantly changing shape, dividing, & fusing.

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#Id: 7877

#XL - Q Biochemistry

The cristae’s membranes are the site of ATP synthesis thus the invaginations increase the mitochondrion’s capacity to generate ATP.

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#Id: 7878

#XL - Q Biochemistry

Crista junction

The connection between the inner boundary membrane and a crista

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#Id: 7879

#XL - Q Biochemistry

The curvature of the crista junctions is due to a protein complex called MICOS (mitochondrial contact site and cristae organizing system).

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#Id: 7880

#XL - Q Biochemistry

MICOS has an integral membrane protein subunit that homo-oligomerizes and bends the inner membrane to produce high curvature.

TLS Online TPP Program

#Id: 7881

#XL - Q Biochemistry

MICOS mediates close juxtaposition of the outer membrane and inner membrane by binding to outer membrane–associated proteins