Practice Questions

TLS Online TPP Program

#Question id: 794

A single-stranded DNA molecule contains 40 nucleotides with equal amounts of A, C, G, and T. This DNA strand can combine with a complementary DNA strand to form a double-stranded DNA molecule. Which structural feature is found in the single-stranded DNA molecule?

#Part-B Specialized Branches in Biotechnology

It can have a negatively-charged backbone composed of nitrogenous bases.
Each 3’,5’-phosphodiester bond will contain one phosphate group linking two deoxyribose sugars.
It can have one end with a 5’-phosphate group while the other end has a 2’-hydroxyl group.
Each purine and pyrimidine will be paired with a complementary base.

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TLS Online TPP Program

#Question id: 20399

#Part-B Specialized Branches in Biotechnology

In T-DNA where are these right border and left border sequence present?

TLS Online TPP Program

#Question id: 5158

#Part-A Aptitude & General Biotechnology

Find the unit digit in 1! + 2! + 3! + 4! +.................... + 50!

TLS Online TPP Program

#Question id: 19294

#Part-A Aptitude & General Biotechnology

The various steps for construction of libraries are ___________

i) Fragmentation of DNA

ii) Isolation of genomic DNA

iii) Amplification

iv) Ligation and introduction to the host

v) Vector preparation

The correct order of construction of libraries is (In the order of starting to ending).

TLS Online TPP Program

#Question id: 705

#Part-B Specialized Branches in Biotechnology

Proteins are classified within families or superfamilies based on similarities in:

TLS Online TPP Program

#Question id: 440

#Part-A Aptitude & General Biotechnology

Nucleoside triphosphates exist in a cell as complexes with