Worksheet on CR and Photosynthesis - Type your answers into the ... - Free Printable

Problem Overview:

The task involves labeling a diagram of photosynthesis in a chloroplast and filling in the corresponding table with the correct components. The diagram illustrates the overall process of photosynthesis, including light-dependent reactions and the Calvin cycle.

Solution:

#### Step 1: Understand the Diagram
The diagram shows the structure of a chloroplast and the flow of energy and molecules during photosynthesis. Key components include:
- Thylakoid membranes (where light-dependent reactions occur).
- Stroma (where the Calvin cycle occurs).
- Arrows indicating the movement of molecules and energy.

#### Step 2: Match Labels to Components
Using the provided table, we will match each label (A, B, C, D, E, F, G, H, I, J) to the correct component in the diagram.

##### Table 1: Answers for Photosynthesis
| Label | Component |
|-------|-------------------|
| A | H₂O |
| B | PSI/PSII |
| C | Oxygen |
| D | NADP⁺ |
| E | ADP + Pi |
| F | ATP |
| G | NADPH |
| H | CO₂ |
| I | Calvin Cycle |
| J | Sucrose |

##### Explanation of Each Label:
1. A (H₂O):
- Water (H₂O) is located at the top left of the diagram because it is split during the light-dependent reactions in the thylakoid membranes.

2. B (PSI/PSII):
- PSI (Photosystem I) and PSII (Photosystem II) are part of the thylakoid membrane system where light energy is captured and used to generate ATP and NADPH.

3. C (Oxygen):
- Oxygen (O₂) is produced as a byproduct of the splitting of water (photolysis) in the thylakoid membranes. It exits the chloroplast.

4. D (NADP⁺):
- NADP⁺ (Nicotinamide adenine dinucleotide phosphate) is reduced to NADPH in the light-dependent reactions. It moves from the stroma into the thylakoid space.

5. E (ADP + Pi):
- ADP (Adenosine diphosphate) and Pi (Inorganic phosphate) are precursors to ATP synthesis. They move into the thylakoid space to be phosphorylated to ATP.

6. F (ATP):
- ATP is synthesized in the thylakoid membranes using the energy from light. It moves out of the thylakoid space into the stroma.

7. G (NADPH):
- NADPH is produced in the thylakoid membranes and moves out into the stroma, where it is used in the Calvin cycle.

8. H (CO₂):
- Carbon dioxide (CO₂) enters the chloroplast and is used in the Calvin cycle to produce glucose.

9. I (Calvin Cycle):
- The Calvin cycle occurs in the stroma, where CO₂ is fixed into organic molecules using ATP and NADPH.

10. J (Sucrose):
- Sucrose is a product of the Calvin cycle and represents the final output of photosynthesis, which can be used by the plant for energy or stored.

#### Step 3: Fill in the Table
Using the matches above, the completed table is as follows:

| Label | Component |
|-------|-------------------|
| A | H₂O |
| B | PSI/PSII |
| C | Oxygen |
| D | NADP⁺ |
| E | ADP + Pi |
| F | ATP |
| G | NADPH |
| H | CO₂ |
| I | Calvin Cycle |
| J | Sucrose |

Final Answer:

\boxed{
\begin{array}{|c|c||c|c|}
\hline
\text{Label} & \text{Component} & \text{Label} & \text{Component} \\
\hline
A & \text{H₂O} & F & \text{ATP} \\
B & \text{PSI/PSII} & G & \text{NADPH} \\
C & \text{Oxygen} & H & \text{CO₂} \\
D & \text{NADP⁺} & I & \text{Calvin Cycle} \\
E & \text{ADP + Pi} & J & \text{Sucrose} \\
\hline
\end{array}
}