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From given statements select the incorre...

From given statements select the incorrect statement. (a) Proteins which are obtained by recombinant DNA technology are called recombinant proteins (b) Downstream processing include separation and purification of the desired product (c) After purification the product has to be formulated with suitable preservatives (d) Downstream processing and quality control testing do not vary from product to product

A

(a)

B

(b)

C

(c)

D

(d)

Text Solution

AI Generated Solution

The correct Answer is:
To solve the question, we need to analyze each statement provided and identify the incorrect one. Let's go through each option step by step: 1. **Statement (a)**: "Proteins which are obtained by recombinant DNA technology are called recombinant proteins." - This statement is correct. When proteins are produced using recombinant DNA technology, they are indeed referred to as recombinant proteins. 2. **Statement (b)**: "Downstream processing includes separation and purification of the desired product." - This statement is also correct. Downstream processing is a crucial phase in biotechnology that involves the separation and purification of the product obtained from the biotechnological process. 3. **Statement (c)**: "After purification the product has to be formulated with suitable preservatives." - This statement is correct as well. After the purification of proteins or other products, it is common practice to formulate them with suitable preservatives to enhance their stability and shelf life. 4. **Statement (d)**: "Downstream processing and quality control testing do not vary from product to product." - This statement is incorrect. Downstream processing and quality control testing can vary significantly depending on the type of product being produced. Different products may require different methods of purification, separation, and testing protocols. Based on the analysis above, the incorrect statement is **(d)**. ### Final Answer: The incorrect statement is (d) "Downstream processing and quality control testing do not vary from product to product."
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Read the following sentences : (a) In elution, the separated bands of DNA are cut out from agarose gel & extracted from the gel piece. (b) E coil cloning vector pBR322 have several restriction sites, Ori, antibiotic resistance genes & ROP. (c ) The downstream processing and quality control testing vary from product to product. (d) Competent bacterial cells cannot take up the plasmid.

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Knowledge Check

  • Assertion: The process including separation & purification of product are collectively referred as downstream processing Reason :The downstream processing & quality control testing are same for all type of products

    A
    If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion
    B
    It both Assertion & Reason are True but Reason is not a correct explanation of the Assetion
    C
    If Assertion is True but the Reason is False
    D
    If both Assertion & Reason are false

  • Which one of is associated with downstream processing? A. Separation B. Purification C. DNA isolation D. Gene expression

    A
    A,B
    B
    B,C
    C
    C,D
    D
    A,B,C,D

  • Read the following statements and select the correct option. (I) E.coli cloning vector pBR322 have several restriction sites , ori , antibiotic resistance genes and rop. (II) Competent bacterial cells cannot take up foreign DNA. (III) In elution ,the separated bands of DNA are cut out fron agarose gel and extracted from the gel piece. (IV) The downstream processing and quality control testing vary from product to product .

    A
    All sentences are correct
    B
    (I) and (III) are correct
    C
    Except (II) , all are correct
    D
    Only (III) is correct

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