Which of the Following Is/are True Regarding DNA in Fossils

question 21

Multiple Choice

Which of the following is/are true regarding DNA in fossils?

• A) It is impossible to extract DNA from fossils.
• B) Scientists have hominin DNA from one million years ago.
• C) Although DNA degrades over time, scientists have been able to extract DNA from some australopithecine remains.
• D) b and c
• E) none of the above

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Definitions:

Sleep Deprivation

The condition of not having enough sleep, which can lead to various negative health and cognitive effects.

Inverted-U Function

A theory suggesting that performance increases with arousal up to an optimal point, beyond which further increases in arousal can lead to decreased performance.

Arousal

A physiological and psychological state of being awoken or stimulated to action.

Performance

The action or process of carrying out or accomplishing an action, task, or function, often measured against known standards.