REM Sleep Can First Be Observed in Humans

question 106

Multiple Choice

 REM sleep can first be observed in humans

• A) prior to birth.
• B) about two weeks after birth.
• C) about six weeks after birth.
• D) at about one year of age.

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Definitions:

Polar Covalent

A type of chemical bond where electrons are unequally shared between atoms, leading to a distribution of charge.

N-Br Bond

A chemical bond between nitrogen and bromine atoms.

Electronegativity Difference

This term describes the difference in electronegativity values between two atoms bonded together, influencing the bond type; ranging from covalent to ionic.

C-O Bond

A chemical bond formed between a carbon atom and an oxygen atom, a key feature in many organic and inorganic molecules.