Contact of a Sea Urchin Egg with Signal Molecules on Sperm

question 51

Multiple Choice

Contact of a sea urchin egg with signal molecules on sperm causes the egg to undergo a brief ________.

• A) mitosis
• B) membrane depolarisation
• C) vitellogenesis
• D) acrosomal reaction

---

Definitions:

Inefficient

Lacking in effectiveness or productivity, resulting in wasted resources or effort without achieving the desired output.

Economies Of Scale

Cost advantages reaped by companies when production becomes efficient, as the scale of operation increases, leading to a lower cost per unit.

Fixed Costs

Expenses that do not change with the level of production or sales, such as rent, salaries, and insurance.

International Trade

The exchange of goods and services between countries.