A Histidine, Methionine Auxotroph ________

question 11

Multiple Choice

A histidine, methionine auxotroph ________.

• A) can synthesize only histidine and methionine
• B) can only use histidine and methionine as nutrition sources
• C) cannot synthesize histidine and methionine
• D) is killed by histidine and methionine
• E) lacks proteins with histidine or methionine

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Definitions:

Osmoregulators

Organisms that regulate their internal osmotic pressure, maintaining fluid balance despite external environmental changes.

Salt Concentration

The amount of salt dissolved in a solution, typically measured in parts per thousand or milligrams per liter, significant in both biological and environmental contexts.

Animals

Multicellular, eukaryotic organisms in the kingdom Animalia, characterized by their ability to move voluntarily.

Osmole

The number of solute particles (molecules or ions) produced when a mole of solute diss