Radiolabelling is generally brought about by addition of radioactive phosphorus.

Radiolabelling is generally brought about by addition of radioactive phosphorus. Correct Answer True

Radioactively labeled precursors typically have radioactive 32P or 35S incorporated into α – phosphate of one of the four nucleotides. Radioactive DNA can be detected by exposing the sample of interest to X – ray film or by photomultipliers that emit light in response to excitation by the β – particles emitted by from 32P and 35S.
Bissoy MCQ

Related Questions

Which of the following statements are true?
1. All radioactive elements decay exponentially with time.
2. Half-life time of radioactive elements is the time required for one-half of the radioactive atoms to disintegrate.
3. Age of the earth can be determined by radioactive dating.
4. Half-life time of a radioactive element is fifty percent of its average life period.
Select the correct answer:
A word arrangement machine, When given an input line of words, rearranges it in every step following a certain rule. Following is an illustration of an input line of words and various steps of rearrangement.
Input: gone are take enough brought station
Step 1: take gone are enough brought station
Step 2: take are gone enough brought station
Step 3: take are station gone enough brought
Step 4: take are station brought gone enough
And Step 4 is the last step for this input. Now, find out an appropriate step in the following question following the above rule. Question:
Input: car on star quick demand fat
What will be the third step for this input ?
Read the following paragraph and answer the following question. Hershey-Chase experiment broke the barriers of science and expanded the understanding of life. In this experiment, two sets of bacteriophages are used in which one contains radioactive sulphur in its protein coat (Set-I) and other contains radioactive phosphorus in its DNA (Set-II). These two sets were allowed reproduce in E.Coli culture and then centrifuged. Which among the following are correct Set-I and Set-II after centrifugation?
When the viruses are cultivated in the medium containing radioactive Sulphur, then these viruses possess radioactive DNA but not radioactive protein.
What combination of radiolabelling is correct in case of Hershey and Chase’s demonstration of DNA as genetic material in T2 bacteriophage?
The most reactive allotropic form of phosphorus is __________ phosphorus.
From which type of phosphorus is alpha -black phosphorus formed?
Beta-black phosphorus is prepared by heating white phosphorus.
Like white phosphorus, which phosphorus also exists as P4?
White phosphorus can be reconverted to red phosphorus.