Gamma Rays Are

question 33

Multiple Choice

Gamma rays are

• A) made up of helium nuclei.
• B) a form of beta radiation.
• C) made up of electrons.
• D) a form of electromagnetic radiation.
• E) rays of light.

---

Definitions:

Prokaryotic DNA

The genetic material found in prokaryotes (bacteria and archaea) that is typically circular and located in the cytoplasm.

Silencer

A regulatory DNA sequence that can bind repressor proteins to inhibit the expression of a gene.

Insulator

A material that resists the flow of electric charge, used in various applications to protect against electric shock or retain heat.

Transcription Factor

Regulatory protein that influences transcription by binding directly to DNA; e.g., an activator or repressor.