Question:
The first isolated restriction endonuclease was:
The first isolated restriction endonuclease was:
Show Hint
EcoRI is one of the most well-known and widely used restriction enzymes in molecular biology.
Updated On: Sep 9, 2025
- Hind II
- EcoRI
- BamH I
- Pvu II
Hide Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
EcoRI was the first restriction endonuclease to be discovered and isolated. It is widely used in molecular biology for cutting DNA at specific recognition sites.
Step 2: Conclusion.
EcoRI was the first isolated restriction endonuclease.
Final Answer: \[ \boxed{\text{The correct answer is (2) EcoRI.}} \]
Step 2: Conclusion.
EcoRI was the first isolated restriction endonuclease.
Final Answer: \[ \boxed{\text{The correct answer is (2) EcoRI.}} \]
Was this answer helpful?
0
0
Top Questions on Biology
- Which one of the following statements is incorrect?
- Choose the correct statements about corals?
A. Corals are invertebrate animals a few millimeter in diameter.
B. Corals are sensitive to heat stress and ocean pH change.
C. Corals provide algae with stable environment, CO\(_2\) and nutrients.
D. Corals bleach to get rid themselves of pathogens. - In humans, calcium plays a role in
(A) Bone formation
(B) Blood clotting
(C) Muscle function
(D) Blood formation
Choose the correct answer from the options given below: - Match List-I with List-II \[ \begin{array}{|l|l|} \hline \textbf{Product} & \textbf{Producer} \\ \hline (A) \; \text{Citric Acid} & (I) \; \text{Trichoderma polysporum} \\ \hline (B) \; \text{Ethanol} & (II) \; \text{Monascus purpureus} \\ \hline (C) \; \text{Statins} & (III) \; \text{Saccharomyces cerevisiae} \\ \hline (D) \; \text{Cyclosporin A} & (IV) \; \text{Aspergillus niger} \\ \hline \end{array} \]
- Match List-I with List-II \[ \begin{array}{|l|l|} \hline \textbf{List-I} & \textbf{List-II} \\ \hline (A) \; \text{Clostridium butylicum} & (I) \; \text{Lactic acid} \\ \hline (B) \; \text{Aspergillus niger} & (II) \; \text{Butyric acid} \\ \hline (C) \; \text{Acetobacter aceti} & (III) \; \text{Citric acid} \\ \hline (D) \; \text{Lactobacillus} & (IV) \; \text{Acetic acid} \\ \hline \end{array} \]
View More Questions
Questions Asked in CUET exam
- If $ A $ is a $ 2 \times 2 $ matrix and $ |A| = 4 $, then $ |A^{-1}| $ is:
- CUET (UG) - 2025
- Determinants
- The professor's explanation was so esoteric that even graduate students struggled to understand it. What is the meaning of "esoteric" in this context?
- CUET (UG) - 2025
- Vocabulary
- Pointing to a man, Rani says, "He is the son of my mother's only daughter.” How is the man related to Rani?
- CUET (UG) - 2025
- Blood Relations
- A person walks 10 m North, then turns right and walks 5 m, then turns right again and walks 10 m. What direction is he facing now?
- CUET (UG) - 2025
- Direction sense
- Rearrange the parts to form a logical sentence:
A) the city's new policy
B) has significantly improved
C) air quality
D) over the past year- CUET (UG) - 2025
- Sentence Arrangement
View More Questions