Acidic Solutions ________

question 127

Multiple Choice

Acidic solutions ________.

• A) have a higher concentration of hydronium ions than hydroxide ions
• B) have a lower concentration of hydronium ions than hydroxide ions
• C) turn red litmus paper to blue
• D) colorize phenolphthalein solutions

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Definitions:

Horizontal Gene Transfer

The process whereby genetic material is moved among organisms, either unicellular or multicellular, in a manner not involving the traditional parent-to-offspring DNA transmission.

Biological Evolution

Any change in the inherited traits of a population that occurs from one generation to the next (that is, over a time period longer than the lifetime of an individual in the population).

Australopithecine Remains

Australopithecine remains are fossilized bone fragments and artefacts from early hominids belonging to the genus Australopithecus, key to understanding human evolution.

Hominin DNA

Genetic material that comes from hominins, our ancestors and relatives in the human evolutionary tree.