What Single Feature, Shared by All Organisms, Allows Scientists to Compare

question 23

Multiple Choice

What single feature, shared by all organisms, allows scientists to compare distantly related living organisms?

• A) most recent common ancestor
• B) universal ancestor
• C) most recent common lineage
• D) DNA

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Definitions:

Neutral Ph

A pH value of 7 which indicates that a solution is neither acidic nor alkaline; it is exactly in the middle of the pH scale.

Chemical Kinetics

The study of the rates at which chemical reactions proceed and the factors affecting those rates.

Collision Theory

A theory that proposes chemical reactions occur and proceed at a certain rate based on the concentration, velocity, and orientation of reacting particles during collisions.

Rate Of Formation

The speed at which a product is created in a chemical reaction, usually measured in moles per liter per second.