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: 8021

#XL - T Zoology

TLS Online TPP Program

#Id: 2177

#XL - T Zoology

Hitchhiking - An allele at one locus spreads by natural selection acting on a second locus that is in linkage disequilibrium with  the first.

TLS Online TPP Program

#Id: 8152

#XL - Q Biochemistry

After the vesicle coat is complete, the Sec23 coat subunit promotes GTP hydrolysis causes disassembly of the coat.

TLS Online TPP Program

#Id: 9262

#XL - S Microbiology

TLS Online TPP Program

#Id: 9940

#XL - T Zoology

The inhaled bacilli are ingested by alveolar macrophages in the lung and inhibiting formation of phagolysosomes

CD4+ T cells are activated within 2 to 6 weeks after infection.