Not All Sperm Produced by the Testes Are Functional

question 13

Multiple Choice

Not all sperm produced by the testes are functional. A sperm with a defective acrosome would

• A) not be able to swim.
• B) produce multiple flagella.
• C) not survive the acid pH of a vagina.
• D) not be able to penetrate a egg.
• E) be able to swim, but would travel in circles, unable to navigate a female reproductive tract.

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Definitions:

Required Rate of Return

The lowest yearly percentage return on an investment that motivates people or businesses to invest in a specific project or financial vehicle.

CCA Class

A grouping in Canadian tax law under the Capital Cost Allowance, determining the rate at which assets can be depreciated for tax purposes.

Discount Rate

The interest rate used to discount future cash flows to their present value, significant in determining the attractiveness of an investment.

Tax Rate

The percentage at which an individual or corporation is taxed, which can vary based on income level, type of income, and other factors.