Q1. 1. Explain source of oxygen emitted from plant as a result of photosynthesis.
2. What is the significance of the chloroplasts structural feature that the thylakoid membrane is located between the stroma and the thyloakoid space?
3. From where do electrons that help synthesize atp in the light reactions of photosynthesis ultimately originate.
Q2. A scientist extracted 4.6 picograms (or 4.6 x 10 grams) of DNA from mouse muscle cells. How much DNA could be extracted from the same number of mouse sperm?