Under Normal Circumstances, the Only Source of Energy Used by the Brain

question 38

Multiple Choice

 Under normal circumstances, the only source of energy used by the brain is

• A) glucose.
• B) fatty acids.
• C) protein.
• D) glycogen.

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Definitions:

Lac Repressor

A protein that binds to the lac operon and inhibits the metabolism of lactose in bacteria.

RNA Polymerase

An enzyme responsible for synthesizing RNA molecules from DNA templates, playing a crucial role in gene expression and regulation.

Promotor

A region of DNA that initiates transcription of a particular gene, crucial for regulating gene expression.

Genetic Code

The set of rules by which information encoded in genetic material (DNA or mRNA sequences) is translated into proteins by living cells.