Regarding Circadian Rhythms, Which of the Following Statements Is FALSE

question 89

Multiple Choice

Regarding circadian rhythms, which of the following statements is FALSE?

• A)Frequent time shifting can wreak havoc on circadian rhythms.
• B)During exposure to light, melatonin production increases, helping us maintain wakefulness.
• C)Light entering through the eye helps keep the body clock in sync with day and night.
• D)Body temperature follows a circadian rhythm in which temperature falls a few degrees during the middle of the night.
• E)Circadian rhythms are found in almost all species, including paramecia and trees.

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Definitions:

Hydrophilic Region

A part of a molecule that has affinity for water and can form hydrogen bonds with water molecules.

Hydrophobic Region

A part of a molecule that is repelled by water and typically soluble in nonpolar solvents.

Hydrogen Bond

A weak bond formed between a hydrogen atom in one molecule and an electronegative atom, such as oxygen or nitrogen, in another molecule, important in the structure of water and biological molecules.

Polar Covalent Bond

A type of chemical bond where a pair of electrons is unequally shared between two atoms.