[51] Radioactive Tracers in Molecular Biology

Question 1

What is the principle of using Radioactive Tracers in Molecular Biology?

Answer 1

Radioactive tracers are atoms with unstable nuclei that are used to track and identify molecules in biological systems.

Question 2

What are common isotopes used as Radioactive Tracers in Molecular Biology?

Answer 2

• Carbon-14
• Phosphorus-32
• Sulfur-35

Question 3

Initials: RT

Answer 3

Radioactive Tracers

Question 4

What is the purpose of using Radioactive Tracers in Molecular Biology?

Answer 4

To follow the path of biomolecules in various biological processes.

Question 5

How are Radioactive Tracers detected in Molecular Biology?

Answer 5

Using instruments like Geiger counters or scintillation counters.

Question 6

Why are radioactive isotopes like Carbon-14 used in molecular biology?

Answer 6

Because they can be incorporated into organic molecules and tracked in biological processes.

Question 7

What are the risks associated with using Radioactive Tracers?

Answer 7

Exposure to radioactive materials can cause damage to living tissues and increase cancer risk.

Question 8

How can Radioactive Tracers be used in DNA sequencing?

Answer 8

By labeling the DNA nucleotides with radioactive tracers and using them to identify the order of base pairs.

Question 9

What precautions are necessary when using Radioactive Tracers?

Answer 9

Proper handling and disposal methods must be followed to minimize exposure.

Question 10

What are some applications of Radioactive Tracers in Molecular Biology?

Answer 10

• Studying metabolic pathways
• DNA sequencing
• Protein labeling
• Drug tracing in pharmacology