Animal Biotechnology MCQ Questions & Answers | Biotechnology

Bacillus subtilis under ideal conditions occupies 5% of the total volume of a fermenter. Under such conditions; the culture medium (after bacilli are filtered off) has a concentration of 1mg/ml of the secreted protein trehalae
(i) Calculate the volume of culture filtrate required to purify 1 kg of trehalase
(ii) What are the total number of B. subtilis cells which produce this amount of enzyme? Assume that each cell is a cylinder which has dimensions of 1 m diameter and length 2μm.

In animal cell cultures, the addition of serum to media is essential for providing

A knockout mouse is so named because it contains

In animal cell culture, a CO₂ enriched atmosphere in the incubator chamber is used to maintain the culture pH between 6.9 and 7.4. Which one of the following statements is correct?

Which of these would not Be-used to introduce DNA in animal cells?

The first patent for a transgenic organism was awarded in 1988. Which organism was patented?

Carbon-dioxide when combined with the amino groups in haemoglobin molecule and forms

Term hybridoma implies

DNA ligase of E. coli requires which of the following cofactors?

The syndrom es in human in which an individual's somatic cells contain only the one sex chromosome XO is called