Animal Biotechnology MCQs

The synthesis of glucose from lactate, glycerol, or amino acids is called

Cells that leave a tumor and spread through out the body forming tumors at distant sites are called

The number of replicons in a typical mammalian cell is

In the above problem, colonies that were white in the presence of X-gal contained

HAT (hypoxanthine, aminopterin and thymidine) is used for selecting the hybridomas based on the following I. Only hybridoma will grow since it inherited the HGPRT genes from B-cells and can synthesize DNA from hypoxanthine. II. Myeloma cells will not grow in cultures since de novo synthesis is blocked by aminopterin and due to the lack of HGPRT enzyme.

Which among the following immunological techniques is based on passive diffusion of antigen and antibody towards each other

Alpha and Beta amylase help in

Embryonic stem cells are derived from

Dimethyl sulfoxide (DMSO) is used as a cryopreservant for mammalian cell cultures because