Limitations of Northern Blotting

Limitations of Northern Blotting or Which of the following analysis cant be done using Northern blotting

A. Approximate size of an mRNA
B. Relative abundance of an mRNA in various cells or tissues
C. Relative stability of an mRNA in a given cell or tissue
D. Identify of all mRNAs in a given cell or tissue

Correct Answer: (D) Identity of All mRNAs in a Given Cell or Tissue

Northern blotting is a widely used molecular biology technique for detecting specific mRNA molecules within a sample. It provides valuable insights into gene expression patterns, but it has limitations regarding the global identification of all mRNAs present in a cell or tissue.

What Northern Blotting Can Do?

  1. Determine the Approximate Size of an mRNA (Option A)

    • Since Northern blotting separates mRNA based on size via gel electrophoresis, it allows researchers to estimate the molecular weight of specific mRNAs by comparing them to known markers.
  2. Measure Relative Abundance of mRNA (Option B)

    • The intensity of hybridization signals correlates with the amount of mRNA in a sample.
    • This helps compare gene expression levels across different tissues or experimental conditions.
  3. Assess Relative Stability of an mRNA (Option C)

    • By performing Northern blot analysis at different time points after transcription inhibition, scientists can evaluate how long a specific mRNA persists, providing insight into its stability and degradation rate.

Why Northern Blotting Cannot Identify All mRNAs?

  • Northern blotting is a targeted technique that requires a specific probe complementary to the mRNA of interest.
  • It cannot comprehensively identify all mRNAs present in a cell or tissue, as it only detects mRNAs that hybridize with the labeled probe.
  • Identifying the entire transcriptome requires techniques like RNA sequencing (RNA-seq) or microarray analysis, which can analyze thousands of mRNAs simultaneously.

Conclusion

While Northern blotting is valuable for studying individual mRNA expression, it cannot identify all mRNAs in a given cell or tissue, making option D the correct answer.

105 Comments
  • Shreeji Charan
    March 1, 2025

    🙋‍♀️

  • Lokesh kumawat
    March 1, 2025

    For Better understanding video solution must require, sir Please add

  • Suman bhakar
    March 1, 2025

    Ok sir

  • Nisha
    March 1, 2025

    Reliable learning

    • Shalu Choudhary
      March 2, 2025

      👍

  • Shalu Choudhary
    March 2, 2025

    Okk sir

  • Akshay mahawar
    March 3, 2025

    Done👍

    • Mitali Saini
      August 20, 2025

      Correct Answer: (D) Identity of All mRNAs in a Given Cell or Tissue While Northern blotting is valuable for studying individual mRNA expression, it cannot identify all mRNAs in a given cell or tissue, making option D the correct answer.

    • Aakansha Sharma
      August 20, 2025

      Option Dis right

  • Arushi
    March 3, 2025

    👍👍

  • Ujjwal
    March 3, 2025

    ✔️✔️

  • Priyam choudhary
    March 3, 2025

    Okay 👍

  • Deeksha Ojha
    March 3, 2025

    👍

    • Mahima Sharma
      August 20, 2025

      Identity of All mRNAs in a Given Cell or Tissue While Northern blotting is valuable for studying individual mRNA expression

  • Priya khandal
    March 3, 2025

    Okay sir

  • Jonu Meena
    March 4, 2025

    👍🏻👍🏻

  • Prami Masih
    March 4, 2025

    Okay sir

  • Lokesh kumawat
    March 5, 2025

    done

  • Abhilasha
    March 7, 2025

    Done

  • VIKRAM GAHLOT
    March 7, 2025

    👍

  • Priya choudhary
    August 20, 2025

    Right answer is option d identify of all mRNAs in a given cell or tissue

  • Neelam Sharma
    August 20, 2025

    Northern blotting is valuable for studying individual mRNA expression, it cannot identify all mRNAs in a given cell or tissue, making option D the correct answer.

  • Aafreen
    August 20, 2025

    ANS-D– Identity of All mRNAs in a Given Cell or Tissue
    It cannot identify all mRNAs present in a cell or tissue, it only detects mRNAs that hybridize with the labeled probe.

  • Heena
    August 20, 2025

    Northern blotting can’t identify all mRNAs in given cell as it identifies a single specific rna

  • Dipti Sharma
    August 20, 2025

    cannot identify all mRNAs in a given cell or tissue
    So, option D is the correct answer

  • Sakshi Yadav
    August 20, 2025

    Identify all mRNA in a given cell or tissue

  • Manisha gujar
    August 20, 2025

    Cannot identify all mRNA present in cell and tissue option d is correct

  • Manisha gujar
    August 20, 2025

    Cannot identify all mRNA present in cell and tissue

  • Komal Soni
    August 20, 2025

    We can be used northern blotting for measuring size, quantification or find out stability of RNA but identify all mRNAs in a given cell or tissue is possible with the chromosome painting (FISH)

  • Shivani
    August 20, 2025

    Option D. Is correct
    Northern blotting can not detect all mRNAs in a given cell because it detect only mrna that hybridize with labeled probe.

  • Mansukh Kapoor
    August 20, 2025

    The correct answer is option 4th
    Because by the northern blotting we cannot identify the all mRNAs of the cell

  • Khushi Mehra
    August 20, 2025

    Option 4 is correct
    All the mRNAs of a given cell or tissue cannot be identified by Northern blotting technique.
    Northern blotting technique is used to detect a specific mRNA that bind with the labelled specific DNA probe.

  • Diksha Chhipa
    August 20, 2025

    Done

  • Mohd juber Ali
    August 20, 2025

    Option (D)
    Northern blotting used to detect specific RNa on membrane.and also separate mRna based on size by gel electrophoresis and estimate m.w so it can’t identify all mRna in given cell or tissue

  • Anurag Giri
    August 20, 2025

    Ans d is correct
    It cannot identify all mRNAs present in a cell or tissue, as it only detects mRNAs that hybridize with the labeled probe.

  • HIMANI FAUJDAR
    August 20, 2025

    Ans (d) It cannot detect all types of mRNA because it can only detect those mRNA which are hybridized with labelled Probe

    • Varsha Tatla
      August 20, 2025

      Northern blotting tech use for detection of specific m rna . It can not detect all type of rna present in the cell
      Thus, here option 4 will be correct answer

  • Dharmpal Swami
    August 20, 2025

    Northern blotting detect specific mrna

  • Bharti Yadav
    August 20, 2025

    Northern blotting can’t identify all mRNAs in a cell or tissue.

  • Roopal Sharma
    August 20, 2025

    Northern blotting cannot identify all the mrna’s .It only detect abundance of RNA ( intensity) , stability of RNA and molecular size of RNA.

  • Surbhi Rajawat
    August 20, 2025

    Northern blotting is a technique to detect specific m RNA and not all

  • Aman Choudhary
    August 20, 2025

    Option D is correct
    Northern blotting can’t identify all mRNAs in a cell or tissue

  • Surendra Dudi
    August 20, 2025

    D is correct

  • Nilofar Khan
    August 20, 2025

    Correct answer is d
    It can’t identify all mRNA in a cell,it is tech. to detect specific rna

  • Avni
    August 20, 2025

    (D) is the correct answer
    It can’t identify all mRNA in a given cell

  • Payal Gaur
    August 20, 2025

    In northern blotting not all mrna identify in cell ,only specific mRNA is detect .

  • Deepika Sheoran
    August 20, 2025

    Option d is correct answer
    Because Northern blotting can’t identify all M rna in a cell or Tissue.

  • Priya dhakad
    August 20, 2025

    Identify of all mRNAs in a given cell or tissue.

  • anjani sharma
    August 20, 2025

    Northern blotting can’t identify all mRNAs in a cell or tissue, only particular

  • Kavita choudhary
    August 20, 2025

    Identify all m rna in a given cell or tissue

  • Parul Yadav
    August 20, 2025

    Northern blotting can’t be used to detect all the mRNAs present in a cell or tissue.

  • Manisha
    August 21, 2025

    Northern blotting can’t detect the all mrna in the cell only specific mrna molecules are detected

  • Sakshi kanwar
    August 21, 2025

    D Identity of all mRNAs in a given cell or tissue

  • Santosh Saini
    August 21, 2025

    Option D is correct bcz Northern blotting is used to detect specific RNA on membrane, so it can’t identify all mRNAs in given cell

  • Khushi Pareek
    August 21, 2025

    Option d is correct

  • Khushi Vaishnav
    August 21, 2025

    Identity of all mRNA in a Cell or Tissue

  • Neha Yadav
    August 21, 2025

    Limitation of Northern blotting is to identify of all the mRNA in a given cell or tissues

  • Meera gurjar
    August 21, 2025

    Identify all m rna in a cell or tissue

  • Simran Saini
    August 21, 2025

    Identify of all mRNA in a given cell or tissue.

    • Divya rani
      August 21, 2025

      Northern blotting is the detection of specific rna sequence but it can not detect the global mrna identification in cell or tissue.

  • Sneha .......
    August 22, 2025

    Can’t identify of
    all mrna in a given cell or tissue

  • Soniya Shekhawat
    August 22, 2025

    Northern blotting Is detect the specific mrna hat is hybridised with a DNA probe but does not be detect the all mrna which is the present in a cell and tissue.

  • Sheikh Aleen
    August 22, 2025

    Northern Blotting Cannot Identify All mRNAs.

  • Bhavana kankhedia
    August 22, 2025

    Identify of all mRNA in given cell/tissue.

  • Khushi Singh
    August 22, 2025

    Northern blotting can’t recognise all mRNA in a cell

  • Kirti agarwal
    August 23, 2025

    Opt d

  • Priya khandal
    August 23, 2025

    Northern Platinum identify specific mrna

  • Niti Tanwar
    August 23, 2025

    Northern blotting cannot identify all mRNA

  • Ankita Pareek
    August 23, 2025

    N.B cannot identify all mrna present within cell or tissue as it only identify the mrna hybridise with labeled probe

  • karishma don
    August 23, 2025

    N.B is detection of specific rna and the dna probe used is specific and complementary to the target sequence. so it can not detect all mrnas.

  • Akshita Jangid
    August 23, 2025

    Option D is correct
    Cannot identify all mRNA present in cell and tissue

  • Kanishka Parnami
    August 23, 2025

    NB is a hybridization technique so the bands which are bound with the labelled probe can only be identified.

  • Kajal
    August 23, 2025

    In northern blotting we see all the other like relative abundance , approximate sizes of rna , relative stability but we don’t identify all the mrna in a given sample….

  • Divya Mandhania
    August 24, 2025

    D is right. Answer

  • Sonam Saini
    August 24, 2025

    Nb can’t identify all m rna

  • Yogita
    August 24, 2025

    Identify of all mRNA in a given cell or tissue

    • Himanshi
      August 24, 2025

      Identify all mrna in a given cell and tissue

  • Anisha Beniwal
    August 24, 2025

    Option d is correct

  • Ayush
    August 24, 2025

    Option d
    B/s northern blotting detect specific mRNA not all mRNA

  • AKANKSHA RAJPUT
    August 24, 2025

    OPTION (D). Identify of all mRNAs in a given cell or tissue

  • Neeraj Sharma
    August 24, 2025

    Option D is correct as blotting means specific detection

  • Tanvi Panwar
    August 24, 2025

    Northern blotting can not identify all the mRNA’s in a given cell or tissue as it only hybridizes with the target mRNA for which the probe is designed.

  • Sonam Saini
    August 24, 2025

    Sabhi diye Gaye koshika ya utak mein sabhi RNA ki pahchan

  • shruti sharma
    August 24, 2025

    Option D, identify all mrna given cell mor tissue

  • MOHIT AKHAND
    August 24, 2025

    Done sir ✅

    • Pooja Sharma
      August 24, 2025

      OPTION D IS CORRECT

  • Surendra Doodi
    August 24, 2025

    Identity of All mRNAs in a Given Cell or Tissue

  • Falguni Prakash
    August 24, 2025

    D coz it identify only specific m RNA

  • Pooja Sharma
    August 25, 2025

    OPTION D

  • Priyanka Meena
    August 26, 2025

    Detect of all mRNA in a given cell or tissue

  • Manisha choudhary
    August 26, 2025

    Northern blotting s mrna ki size pta kr skte
    Ladder (known sequence) s compare kr molecular weight pta kr skte h
    Abundance bhi pta kr skte h fluroscent intensity s gene expression level pta kr skte h jitni jyada intensity utna m rna hota h

    Band width s abundance pta nhi kr skte band width s m rna ki size kaa pta chlta h

    Transcription ko inhibit kr k alag alag time p Northern blotting krke m rna ki stability check kr skte h saath hi degradation rate bhi pta kr skte h

    Northern blotting s specific m rna ki detect krte h kyoki specific probe specific m rna sequence s bind krta h jo uska complimentary ho

    Isliye answer D hoga

  • Monika jangid
    August 26, 2025

    Ans d it cannot detect alarm type of mrna

  • Muskan Yadav
    August 26, 2025

    Identity of All mRNAs in a Given Cell or Tissue.

  • Kanica Sunwalka
    August 28, 2025

    jiske liye probe diya h usse ko kregi
    i.e. specific

  • Shriyanshi verma
    August 30, 2025

    For Better understanding video solution must require, sir Please add

  • Alec
    August 30, 2025

    option d – Identification of all mRnas of a cell or tissue.

  • Komal Sharma
    August 30, 2025

    Northern blotting is a widely used molecular biology technique for detecting specific mRNA molecules within a sample. It provides valuable insights into gene expression patterns, but it has limitations regarding the global identification of all mRNAs present in a cell or tissue.

  • Asha Gurzzar
    August 30, 2025

    Option d is correct,

  • Pratibha Jain
    August 30, 2025

    Correct option is ( d) – Identification of all mRnas of a cell or tissue.

  • Anisha jakhar
    August 31, 2025

    Identification of all mRNA present in a specific cells or tissue

  • Kajal
    August 31, 2025

    Correct Answer is (D) Identity of All mRNAs in a Given Cell or Tissue

  • Shobha Kanwar
    August 31, 2025

    Right answer is option d identify of all mRNAs in a given cell or tissue

  • Anjali
    September 1, 2025

    Northern blotting can’t identify all mRNAs in a cell or tissue, only particular

  • Manisha choudhary
    September 1, 2025

    Identity of All mRNAs in a Given Cell or Tissue

  • Deepika sheoran
    November 15, 2025

    Option D is correct

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