MOLECULAR BIOLOGY

What is the diameter of DNA helix ?

• 15 nm

• 34 nm

• 2 nm

• 20 nm

Represented image belongs to-

• PAGE

• agrose gel electrophoresis

• Fingerprinting

• PCR

which type of genetic trait is reprented by given pedigree represents

• Autosomal Recessive

• X linked Dominant

• Y linked

• Autosomal dominant

Tags

NGSS.HS-LS3-1

Which of the following protein is not associated with histone octamer in nucleosome?

• H1 Histone

• H2A Histone

• H2B Histone

• H3 Histone

Which of the following image belongs to t-RNA

• 
• 
• 
• 

If height and flower color are completely linked then what phenotypic ratio is supposed to appear in F2 generation?

• 9:3:3:1

• 1:4:6:4:1

• 3:1

• 1:1:1:1

Tags

NGSS.HS-LS3-3

How many types of t-RNA are there on the basis of Codons.?

• 64

• 61

• 20

• 4

3'-ATATTTAGGCGTGTAAT-5'

Is sequence of non-coding strand, What would be the sequence of mRNA ?

• 5'-AUAUUUAGGCUGUAAU-3'

• 3'-AUAUUUAGGCUGUAAU-5'

• 5'-UAUAAAUCCGACAUUA-3'

• None of the above

Tags

NGSS.HS-LS1-1

Best representation of test cross is.

• Tt ×Tt

• AABB × aabb

• Aa ×aa

• TtRrYy × ttrryy

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of the following is not correct for B-DNA

• It is right handed DNA

• Distance between two successive base pairs is 3.4 nm.

• Uniform helix diameter is 25A°

• A+T = G+ C