Know About Molecular Biology! thumbnail
Know About Molecular Biology! thumbnail

Know About Molecular Biology!

3rd - University grade
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Preview (20 questions)
1 Question
30 seconds
Q.

Which enzyme is used to join nicks in the DNA strand?


Primase

DNA polymerase

DNA ligase

2 Question
30 seconds
Q.

The function of the β subunit of polymerase is ________ binding.


Template

Catalytic

Promoter

3 Question
30 seconds
Q.

Short strands of _______ primer are used in DNA replication.


RNA

DNA

Histone

4 Question
30 seconds
Q.

Molecular Biology deals with the ________ structures and processes of biological events.


Physical

Chemical

5 Question
30 seconds
Q.

Pauling was called the “Father of Molecular Biology” by Francis Crick.


Mahlon B. Hoagland

Linus Carl Pauling

James Watson

6 Question
30 seconds
Q.

Proteins are made up of thousands of smaller units known as _______ acids.


Amino

Nucleic

Sulphuric

7 Question
30 seconds
Q.

There are ____ unusual bases observed in a tRNA molecule.


Two

Three

Five

8 Question
30 seconds
Q.

_______ library lacks DNA fragments from the genomic DNA.


Z DNA

cDNA

B DNA

9 Question
30 seconds
Q.

The nucleotides are known to be enzymatic molecules.


True

False

10 Question
30 seconds
Q.

The speed of DNA replication is _______ nucleotides per second.


10 to 50

200 to 1000

500 to 5000

11 Question
30 seconds
Q.

________ is composed of a pentose-phosphate unit that acts as a monomer.


Nucleotide

Pentose sugar

Nucleic acid backbone

12 Question
30 seconds
Q.

The following options take part in gene expression, except:


Transcription

Replication

RNA processing

13 Question
30 seconds
Q.

 Which of the following is a type of Nucleosome remodeling?


Nucleosome sliding

Gene expression

Repressive structures

14 Question
30 seconds
Q.

In the ________ sequence, the genome size increases the DNA between two consecutive sequences increase.


Cell size

Exon

Intergenic

15 Question
30 seconds
Q.

Ribozymes are not catalytic molecules.


True

False

16 Question
30 seconds
Q.

Name the only organism that has been found to have positively supercoiled DNA.


Thermus aquaticus

Saurida tumbil

Monarda didyma

17 Question
30 seconds
Q.

________ is the process of determining the precise order of nucleotides within a DNA molecule.


Polymerase chain reaction

DNA sequencing

Electrophoresis

18 Question
30 seconds
Q.

Name the process that does not occur in prokaryotes.


Transcription

Splicing

Translation

19 Question
30 seconds
Q.

In a bacterial system, there are how many RNA polymerases present?


One

Two 

Five

20 Question
30 seconds
Q.

Adenine with cytosine and guanine with thymine.

Is this the right base-pairing rule?


Right

Wrong