Biotechnology : Principles and Processes

Width of the DNA molecule is

• 15 A^o

• 20 A^o

• 25 A^o

• 34 A^o

The protein α-1 antitrypsin is used to treat which of the following disease?

• Cancer

• Rhematoid arthritis

• Emphysema

• ADA deficiency disease in children

The dominant epistasis ratio is

• 9:3: 3:1

• 12:3:1

• 9:3:4

• 9:6:1

Bacillus thuringiensis (Bt) strains have been used for designing novel

• Bio metallurgical technique

• Bio mineralization process

• Bio Insecticidal Plants

• Bio Fertilizers

Bacillus thuringiensis (Bt) strains have been used for designing novel

• bio metallurgical technique

• bio mineralization process

• bio insecticidal plants

•  bio fertilizers

In recombinant DNA technique, the term vector refers to

• Donor DNA, is identified and picked up through electrophoresis

• Plasmid transfers DNA into living cell

• Collection of the entire genome in form of plasmid

• Enzyme, cuts the DNA at specific sites

Which one of the following is a reorganization site for restriction enzymeBam HI?

• 5ʹ– GAATTC – 3ʹ 3ʹ – CTTAAG – 5ʹ

• 5ʹ – GGATCC – 3ʹ 5ʹ – CCATGG – 3ʹ

• 5ʹ – GGATCC -– 3ʹ 3ʹ – CCTAGG – 5ʹ

• 5ʹ– GAATTC – 3ʹ 5ʹ– GTTAAC – 3

Which one of the following pair is not correct?

• Mangolian idiocy – 21st chromosome

• Patau syndrome – 13th chromosome

• Cri-Du-Chat – 11th chromosome

• Edward syndrome – 18th chromosome

Which one of the following pair is not correct?

• Single-stranded DNA

• Single-stranded RNA

• Double-stranded DNA

• None of the above

Consider these sentences regarding to the structure and nature of DNA.

(I) DNA has tow pyrimidine bases which contain single ring structure.

(II) In DNA, the composition of bases should be $\frac{\mathrm{A} +\mathrm{T}}{\mathrm{G} +\mathrm{C}} = 1$

(III) Each base pair of DNA is 3.4Å apart from the base pair.

(IV) The nucleosome model DNA packaging was proposed by Kornberg and Thomas.

• I and III

• I, II and III

• II, III and IV

• I, III and IV