Questions

Mahatma Gandhi first start his Satyagraha from Champaran in India.

Parvovirus B19 causes severe anemia because it preferentially infects erythrocyte precursors.

a. Parvovirus B19 binds preferentially to the erythrocyte blood group P antigen on erythroid precursor cells.

Answers B, C, D are incorrect:

b. after entry the single-stranded viral DNA genome is transported to the cell nucleus where the host DNA polymerase synthesizes the complimentary DNA strand.

c. Parvovirus B19 infection can be diagnosed by direct detection of viral DNA not RNA.

d. the fetus of a seropositive mother is protected from infection by maternal circulating antibodies.

The homework should be checked by the teacher

The term facultative anaerobe refers to an organism that which uses oxygen when it is present or grows without oxygen when it is not there.

The first oil well was dug in 1859. The oil production has since declined but it retains its name for high grade oil

The southern state Telangana decided to make way for electric cars to promote non-polluting vehicles.