A World Cruise

question 9

Multiple Choice

A world cruise:

• A)usually offered only once per year
• B)the ultimate chance to see the world in style
• C)is inexpensive, sometimes costing less than $100 per day
• D)is geared towards families with small children

---

Definitions:

Active Transport

The movement of a substance across a cell membrane from an area of low concentration to an area of high concentration.

Passive Mechanisms

Processes that occur without the input of energy, such as osmosis or diffusion, often in biological contexts.

Nucleic Acids

Biological molecules essential for life, including DNA and RNA, that carry genetic information in cells.

Carbohydrates

Organic compounds, including sugars, starches, and cellulose, which are an important source of energy for living organisms.