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inn [45]
2 years ago
11

Can one cell be a living thing? explain

Biology
1 answer:
Murrr4er [49]2 years ago
8 0
Yes coz it has all compont of cell like nucleus and others
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Refer the the graph below showing the absorption spectrum of chlorophyll a. Explain what the graph is showing
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Answer: The graph shows that chlorophyll a absorbs light principally around 420-450 nm and 650-680nm wavelengths

Explanation: Chlorophyll a is a pigment found in plants that traps light energy for use in photosynthesis. Chlorophyll a absorbs light mostly in the blue and orange-red wavelengths. This is shown in the graph, where the peaks are around the 400nm and 600nm wavelengths, corresponding to blue and red in visible light.

This absorption means the pigment is 'excited' by this light, sending into a higher state if energy which provides energy for the reactions of photosynthesis.

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2 years ago
How are gasses exchanged in the alveoli
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The alveolar walls and capillary walls share a membrane. That's how close they're getting. This allows oxygen and carbon dioxide to readily pass from the respiratory system to the circulation. Oxygen molecules bind to red blood cells as they return to the heart.

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2 years ago
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anygoal [31]

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4 0
2 years ago
HELP PLEASE!!!!!!!!!!!
SOVA2 [1]

cant help you buddy.. we need to see the graph in order to help you with this

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3 years ago
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