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  • Answer please! Read the following four statements (A - D) :(A)In transcription, adenosine pairs with uracil.(B)Regulation of lac operon by repressor is referred to as positive regulation.(C)The human genome has approximately 50,000 genes.(D)Haemophil

Read the following four statements (A - D) :

(A)    In transcription, adenosine pairs with uracil.

(B)    Regulation of lac operon by repressor is referred to as positive regulation.

(C)    The human genome has approximately 50,000 genes.

(D)    Haemophilia is a sex - linked recessive disease. 

      How many of the above statements are right?

 

  • Option 1)

    Three

  • Option 2)

    Four

  • Option 3)

    One

  • Option 4)

    Two

 

Answers (2)

As discussed in

Transcription -

The process of copying genetic information from one strand of The DNA into RNA is turned as transcription.

- wherein

The principle of complementarity guesses the process of transcription.

 

 

Goals of Human Genome Project (HGP) -

To identify all the approximately 20,000 - 25,000 genes in human DNA.

-

 

 

Transcription is the process of synthesis of RNA on the DNA template. During transcription adenosine pairs with uracil. 

Repressor gene determines the transcription of structural gene. It codes for repressor protein. After synthesis the repressor molecule is diffused from the ribosome and bind to the operator in absence of inducer.

The human genome has approximately 30000 genes with ~ 3.2 billion base pairs.


Option 1)

Three

This solution is incorrect 

Option 2)

Four

This solution is incorrect 

Option 3)

One

This solution is incorrect 

Option 4)

Two

This solution is correct 

Posted by

Sabhrant Ambastha

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Optn 4

Posted by

Iqra khanji

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