In Sea Urchins, the "Fast Block" and the Longer Lasting

question 50

Multiple Choice

In sea urchins, the "fast block" and the longer lasting "slow block" to polyspermy, respectively, are ________.

• A) the acrosomal reaction and the formation of egg white
• B) the cortical reaction and the formation of yolk protein
• C) the jelly coat of the egg and the vitelline membrane
• D) membrane depolarization and the cortical reaction

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Definitions:

Future Date

A specified time in the future, often used in the context of planning, forecasting, or setting deadlines.

Compounded Monthly

A method of calculating interest where the interest is added to the principal amount each month, with each subsequent calculation including the previously accumulated interest.

Interest

The cost associated with the right to borrow funds, often represented as a percentage rate per year.

Compounded Semi-Annually

An approach to calculating interest where the interest is added to the principal twice a year.