Write True or False for the following.
Outer membrane of chloroplast and mitochondria have porin proteins.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks whether the statement "Outer membrane of chloroplast and mitochondria have porin proteins" is true or false.

2. **Defining Porin Proteins**: Porins are specialized proteins that form pores in the outer membrane of certain cells, allowing the passage of molecules. They are typically found in the outer membranes of gram-negative bacteria and also in the outer membranes of organelles like chloroplasts and mitochondria.

3. **Analyzing the Outer Membranes**:
- The outer membrane of mitochondria is known to contain porin proteins, which facilitate the transport of small molecules and ions.
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