Of the Molecules Listed, Which Is the Most Toxic to Cells

question 60

Multiple Choice

Of the molecules listed, which is the most toxic to cells?

• A) Water
• B) Sodium chloride
• C) Ammonia
• D) Urea
• E) Uric acid

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Definitions:

Substrates

A substance or layer that underlies something, or on which some process occurs, in various scientific fields, it often refers to the base on which an organism grows or the substance enzymes act upon.

Cofactor

A coenzyme or metal ion that associates with an enzyme and is necessary for its function.

Hexokinase

An enzyme that catalyzes the first step in glucose metabolism, converting glucose to glucose-6-phosphate.

Phosphate Group

A chemical group consisting of a phosphorus atom bonded to four oxygen atoms, crucial for energy transfer in biological organisms.