Describe components of phloem. Define translocation.

Explanation

### Step-by-Step Text Solution

1. **Introduction to Phloem**:
- Phloem is a type of vascular tissue in plants that is responsible for the transport of nutrients, particularly the products of photosynthesis. It is classified as a complex permanent tissue.

2. **Components of Phloem**:
- Phloem consists of several key components:
- **Sieve Tube Elements**:
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