Why Is the Head of a Sperm Covered with a Sac

question 67

Multiple Choice

Why is the head of a sperm covered with a sac of enzymes?

• A)The enzymes are used to prevent other sperm from entering the egg after the sperm and egg membranes have fused.
• B)The enzymes are needed to digest a hole in the protective "shell" surrounding the egg.
• C)The enzymes are released to kill other sperm so that, by the time sperm reach the egg, only a hundred or so remain to compete with.
• D)The enzymes are gradually released into the sperm, where they break down sugars, releasing the energy needed to power sperm movement.

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Definitions:

Non-accidental Deaths

Refers to deaths resulting from causes other than accidents, such as diseases or intentional harm.

P-value

The chance of getting test outcomes that are as significant or more so than what was actually seen, assuming the null hypothesis is true.

Major Diseases

Serious or significant health conditions that impact a large portion of a population or have substantial effects on individuals’ health and quality of life.

Sample Counts

The number of observations or units counted within a sample from a population.