Which Statement Is Correct About the β-α-β Motif

question 10

Multiple Choice

Which statement is correct about the β-α-β motif?

• A)The 2 β-strands are antiparallel.
• B)The peptide segment connecting the β-strands usually contains no more than 5 amino acids.
• C)The peptide segment connecting the 2 β-strands commonly contains proline.
• D)The crossover connection itself contains an α-helical segment.

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Definitions:

Tracheostomy

A surgical procedure to create an opening through the neck into the trachea (windpipe) to allow direct access to the breathing tube.

Nasotracheal Suctioning

A medical procedure to remove secretions from the trachea through the nose to maintain airway patency.

Oxygen Saturation

A measure of the amount of oxygen carried by the red blood cells in the bloodstream, crucial for metabolic processes.

Nasal Bleeding

The loss of blood from the tissue lining the nose, commonly known as a nosebleed.