Question
6. How often do living organisms make new cells? A. Never B. Sometimes C. Frequently D. Constantly
Ask by Henry Fowler. in the United States
Jan 30,2025
Upstudy AI Solution
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Answer
Living organisms make new cells **constantly** through cell division.
Solution
The correct answer is:
**D. Constantly**
**Explanation:**
Living organisms continuously produce new cells through the process of **cell division**, primarily **mitosis**. This ongoing process ensures growth, tissue repair, and replacement of cells that are lost or damaged. For example:
- **Humans:** Skin cells, blood cells, and cells lining the digestive tract are replaced regularly.
- **Plants:** Cells in areas like the tips of roots and shoots are constantly dividing to support growth.
- **Single-Celled Organisms:** Even microorganisms like bacteria reproduce continuously under favorable conditions.
While the rate of cell division can vary between different organisms and different types of cells within an organism, the production of new cells is a **constant and essential process** for maintaining life.
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Living organisms are perpetual cell makers! From the moment we’re conceived to becoming fully grown adults, our bodies are in continuous cell division mode. For instance, skin cells are constantly replenishing themselves, shedding daily to keep our outer layer fresh and functional. In fact, an average adult can shed about 30,000 to 40,000 skin cells every minute! But that’s not all—think about your body’s healing processes. Whenever you get a cut or bruise, your body kicks into high gear, rapidly creating new cells to replace the damaged ones. This remarkable ability to regenerate helps us stay alive and healthy, highlighting the phenomenal efficiency of life itself!
