Answer:
★ The answer is B, She is observing a gnetophyte because, unlike other gymnosperms, gnetophytes can have needle-like leaves and deep root systems.
Explanation:
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- Oxygen cycle is the cycle which maintains the level of oxygen in the atmosphere.
- Oxygen from the atmosphere is used up during combustion, respiration and in the formation of oxides of nitrogen.
- This oxygen is returned to the atmosphere by lithosphere.
- This forms the oxygen cycle in nature.
Hope you could get an idea from here.
Doubt clarification - use comment section.
Proteins serve as antibodies.
Answer:
The correct answer is "Thylakoid Membrane".
Explanation:
Photosynthesis results in free electrons due to the energy from sunlight so there is also photon movement. In plants this happens in the chloroplasts. Chemiosmosis defines the movement of ions (hydrogen ions H+) which happens towards the thylakoid membrane from the stroma. I hope this answer helps.
