Which Statement Is Not Correct

question 10

Multiple Choice

Which statement is not correct?

• A) Aluminum has a low density versus other metals.
• B) Al(OH)₃ is an amphoteric compound.
• C) Metallic aluminum is toxic to humans.
• D) Aluminum is very reactive with oxygen.
• E) Metallic aluminum conducts electricity.

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Definitions:

Constitutive Genes

Genes that are constantly active and expressed at a fixed rate in an organism, providing the basic functions necessary for its survival.

Always Expressed

refers to genes or traits that are continually active or manifest in an organism, regardless of environmental conditions.

Cell

The smallest structural and functional unit of an organism, typically microscopic and consisting of cytoplasm and a nucleus enclosed in a membrane.

Activator Protein

A positive regulatory protein that stimulates transcription when bound to DNA. Compare with repressor protein.