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slavikrds [6]
3 years ago
13

Why might a unicellular organism need oxygen?

Biology
1 answer:
Ahat [919]3 years ago
5 0

Answer:

Most organisms also need oxygen to survive. ... In unicellular organisms, oxygen diffuses across the cell membrane into the cell. Carbon dioxide diffuses out of the cell once the concentration of carbon dioxide is higher inside the cell than it is outside of the cell.

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Which molecule is the final electron acceptor for electrons from photosystem I? a. Oxygen b. Chlorophyll in photosystem II c. Ca
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The molecule which is the final electron acceptor for electrons from photosystem I is (d) NADP⁺.

Photosystem I is the protein complex involved in the process of photosynthesis. It captures the light energy to mediate the transfer of electrons from a series of electron transporters. It is involved in non-cyclic as well as cyclic photophosphorylation.

NADP⁺ is the Nicotinamide Adenine Dinucleotide Phosphate. It acts as a coenzyme. It is an important constituent in various anabolic reactions like Calvin cycle, lipid and nucleic acid syntheses, etc. The oxidized form of NADP⁺ is NADPH. It is present in organisms of almost all kinds.

To know more about photosystem I, here

brainly.com/question/14427520

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3 0
1 year ago
RR
alekssr [168]

Answer:

c. the offspring are genetically different from either of the parent plant.

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7 0
3 years ago
Why isn't the longest day of the year the hottest day of the year?
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The longest day of the year isn't the hottest day of the year because the phenomenon of the hottest weather following the summer solstice by a month or two is called the lag of seasons.
5 0
3 years ago
When an ecosystem loses biodiversity, how does it change?
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I think it’s A. hope this helps
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7 0
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