Pore-Forming Toxins Solve the Problem of a Need to Provide

question 17

Multiple Choice

Pore-forming toxins solve the problem of a need to provide hydrogen-bonding partners for the polypeptide background N-H and C=O groups in the bilayer that lacks hydrogen-bond donors and acceptors.Which of the following structure(s) do they use extensively to do this?

• A)salt bridge formation
• B)disulfide bond formation
• C)β-turns
• D)α-helices and b-sheets

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Definitions:

Mass Hysteria

A phenomenon where collective illusion of a threat spreads among a population, leading to fear and irrational behavior.

Tulipmania

A period in the Dutch Golden Age where contract prices for tulip bulbs reached extraordinarily high levels and then dramatically collapsed.

Asphyxiation

A condition arising from severely deficient supply of oxygen to the body that arises from abnormal breathing.

High Density Situations

Situations or environments where there is a high concentration of individuals in a given space, which can often lead to increased stress or social tension.