Answer :
Answer:
A cell is the basic building block of all living things. It's like a tiny, microscopic unit that makes up plants, animals, and even us humans. Cells have different parts called organelles that work together to keep the cell alive and functioning. They can do things like grow, reproduce, and respond to their environment. Cells are incredibly small, but they are essential for life because they work together to form tissues, organs, and ultimately entire organisms.
Explanation:
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Answer:
In simple words, a **cell** is the **basic unit of life**. Let's break it down:
1. **Definition**:
- Cells are like tiny building blocks that make up all living organisms.
- They are the smallest known entities capable of performing **life's functions**.
- Every living thing is either made of **single cells** or is a **multicellular organism** composed of many cells working together.
2. **Key Characteristics**:
- **Cell Membrane**: Cells have a protective outer layer called the **cell membrane**. It keeps all the chemical reactions of life contained.
- **Genetic Material**: Each cell contains at least one **chromosome** with genetic information (like blueprints and software).
- **Cytoplasm**: Inside the cell, there's a fluid called **cytoplasm** where essential chemical processes occur.
3. **Functions of Cells**:
- Cells must fulfill several functions to sustain life:
- **Responding to the environment**
- **Growing and developing**
- **Reproducing**
- **Metabolism (energy production)**
- **Maintaining internal balance (homeostasis)**
- **Passing on traits to offspring**
4. **How Cells Work**:
- Cells achieve these functions by having:
- A **cell membrane** that separates the inside from the outside.
- **Genetic material** (usually DNA) for passing on traits.
- **Proteins** that perform various tasks (like energy production, copying DNA, and allowing substances to pass through the membrane).
Remember, cells are the tiny powerhouses that keep life going! .
Explanation:
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