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प्रश्न
What happened when heat-killed S-cells along with living R-cells were injected into mice?
विकल्प
Mice died and showed live S-cells
Mice survived and showed live S-cells
Mice died and showed live R-cells
Mice died and showed dead R-cells
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उत्तर
Mice died and showed live S-cells.
संबंधित प्रश्न
The three sketch (A, B and C) are intended to represent the replication of DNA.
What should be their correct sequence, starting with the first and ending with the last? ……
Answer the following question in your own words.
Express your opinion about the use of DNA fingerprinting.
Fill in the blanks:
There are two nucleic acids ______ and ______.
State whether the following sentence is true or false:
In any specimen of DNA, the total molar amount of A + G = T+ C.
Choose the correct answer :
Adenine is a __________
New nucleotides are added and a new complementary strand of DNA is formed with the help of enzyme DNA polymerase.
Match the Column I with Column II and select the correct option.
| List-I | List-II | ||
| i. | Ribozyme | a. | Lac operon |
| ii. | Friedrich Miescher | b. | DNS as genetic material |
| iii. | Alfred Hershey and Martha Chase | c. | Catalytic RNA molecule |
| iv. | Francois-Jacob | d. | DNA is acidic substance |
Through which of the following experiments DNA was proved to be the genetic material in E. coli and bacteriophage?
A unique chemical substance isolated from the nuclei of pus cells by Friedrich Miescher was initially named ______.
