After Ovulation, the Oocyte

question 114

Multiple Choice

After ovulation, the oocyte

• A) waits passively for a sperm to penetrate.
• B) releases negative ions that create an electrical gradient that all sperm swim toward.
• C) releases chemotaxic signals to attract sperm to its location.
• D) propels itself toward seminal fluid by calcium-dependent kinesis.

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Definitions:

Variable Resource

An input in production that can be adjusted in the short term to change the level of output.

Marginal Product

The additional output that is produced by using one more unit of a particular input, holding all other inputs constant.

Number of Workers

The total count of individuals employed or available for employment within a business or economy.

Law of Diminishing Returns

The principle that as one factor of production is increased while others are held constant, the incremental gains in output will eventually decrease.