The Last Common Ancestor of Modern Organisms Must Have Used

question 20

Multiple Choice

The last common ancestor of modern organisms must have used

• A) both D and L amino acids.
• B) D amino acids.
• C) L amino acids.
• D) either D or L amino acids.

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Definitions:

Cancer Risk

The probability of developing cancer over a certain period of time, influenced by genetic, environmental, and lifestyle factors.

E-Cigarettes

Electronic devices that simulate the experience of smoking, delivering nicotine in a vapor form without the combustion of tobacco.

Opioids

A class of drugs derived from the opium poppy or synthesized analogues, used for pain relief, but can be addictive.

Nicotine

A stimulating and highly addictive chemical found in tobacco, which acts on the nervous system to produce feelings of pleasure and arousal.