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Serhud [2]
2 years ago
7

Which process occurs during the light-dependent reactions in photosynthesis?

Biology
1 answer:
kobusy [5.1K]2 years ago
3 0

Answer:

A. Water molecules are split.

Explanation:

The light dependent reactions of photosynthesis require the energy in sunlight to proceed. Structures called photosystems which contain chlorophyll absorb the light from the sun to generate excited electrons, which are transferred to electron carriers ATP and NADH.

These electron carriers are used in the light-independent reactions of photosynthesis.

During this process,  the high energy electrons are passed to an acceptor molecule and replaced with an electron from water. This splitting of water produces H+ ions and oxygen as a byproduct. The splitting of water is called photolysis

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Where is oxygen found or obtained from?
hichkok12 [17]

Answer:

Oxygen is obtained from photosynthesis process.

Explanation:

Oxygen is one of the most important element required for survival of living organism. Living beings inspire oxygen and expire carbon dioxide which is collectively called as respiration and is considered as most important biological process.

Plants prepare their own food through the process called photosynthesis. It is process through which the plants uses carbon dioxide and water as reactants and gives out glucose and oxygen as the end product.

The released product is sugar and gas, in which the sugar is consumed as food by other living organism and the gas called oxygen is used for respiration and other biological process. Thus it can be inferred that oxygen is obtained from process called photosynthesis.  

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3 years ago
What happens if there are no checkpoints in the cell cycle.
Slav-nsk [51]

Answer:

they may "loop out" of the cell cycle and into a resting state called G0, from which they may subsequently re-enter G1 under the appropriate conditions

Explanation:

At the G1 checkpoint, cells decide whether or not to proceed with division based on factors such as: Cell size

6 0
2 years ago
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Assoli18 [71]
Headache and Fatigue.

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3 years ago
George is a healthy 28-year-old man. He enjoys an active lifestyle, including playing on an intramural Ultimate Frisbee team. La
Zepler [3.9K]

Answer:

The correct answer is -  staphylococcus aureus

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Staphylococcus aureus is a bacteria that is more resistant to commonly prescribed antibiotics by doctors. These bacteria are more adaptive so as the given information it is possible that George's wound is infected with a resistant strain of Staphylococcus aureus such as methicillin-resistant Staphylococcus aureus (MRSA) strains.

8 0
3 years ago
Which are possible outcomes of a mutation in a gene that codes for a transcription factor?
Digiron [165]
<span>Any of the above is possible because anything can happen to a gene when it is transcripted. Mutation happens when there is a defect of coding the right genes resulting to a change of DNA sequence. DNA may be reduced or unchangeable by a transcription factor because of mutation in a gene.</span>
3 0
3 years ago
Read 2 more answers
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