Liquid Nitrogen

question 4

Multiple Choice

Liquid nitrogen

• A)is inert and safe
• B)is dangerous because it can replace the oxygen in the room
• C)is explosive
• D)B and C

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Definitions:

Reproductive Organ

An organ involved in the process of producing offspring, including structures like ovaries and testes in animals.

Transcription Rate

The transcription rate refers to the speed at which genetic information is copied from DNA to RNA, affecting gene expression levels.

Enhancer

A short region of DNA that can be bound with proteins (transcription factors) to increase the likelihood that transcription of a particular gene will occur.

Lac Operon

A gene system found in E. coli and other bacteria that regulates the metabolism of lactose, demonstrating gene regulation principles.