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sammy [17]
3 years ago
8

In chloroplasts, when the two photosystems work in series, electrons ejected from the photosystems do not return to them, which

is known as ______. Multiple choice question. oxygenic photophosphorylation cyclic photophosphorylation noncyclic photophosphorylation NADPH based photophosphorylation
Biology
1 answer:
cricket20 [7]3 years ago
3 0

When electrons do not return to the photosystems, it is because of a process known as oxygenic photophosphorylation, a process that is key to photosynthesis.

Photosynthesis is the process by which plants get their energy. This process involves many steps taken in order to turn energy from light, into sugar and molecular energy known as ATP, needed for plants to survive. This process uses a variety of important and complex steps, among which is included oxygenic photophosphorylation.

Oxygenic photophosphorylation is one of the key processes to photosynthesis. It involves the use of photosystems <u>one </u>and <u>three</u>, located in the thylakoid membrane of plant cells, in order to produce NADPH and ATP. These systems enter a state of photoactivation, releasing an electron to be carried by the NADPH molecule towards the Calvin cycle where the electron can be placed onto a carbon atom, for long-term storage, often as a carbohydrate.

To learn more visit:

brainly.com/question/10499200?referrer=searchResults

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3 0
4 years ago
Briana is studying a model of the light-dependent reactions of photosynthesis. The diagram shows a part of this model.
weqwewe [10]
<h2>Answer:</h2>

The correct answer to the Briana question is <em>option A which is a wavy arrow that shows Photo system I.</em>

<h3>Explanation:</h3>
  • Photosytem II is light depending system, which absorbs light energy and generates electrons and hydrogen and oxygen ions from the break down of water molecules.
  • While these electrons are the input for photosystem I which is light independent system.
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3 years ago
Studies indicate that an increased level of physical exercise is associated with a(n) ______ risk of developing certain cancers,
lawyer [7]

Studies indicate that an increased level of physical exercise is associated with a decreased risk of developing certain cancers, such as those of the bladder, kidney, and liver.

<h3>What is Physical exercise ?</h3>

Actions and exercises carried out to maintain or strengthen your physique. Once more, it is important to engage in some quick physical activity or practise a relaxation reaction to release this tension.

  • Examples include jogging, swimming, riding, and fast strolling. Exercises for strength, often known as resistance training, make your muscles stronger. Lifting weights and utilising a resistance band are a couple of examples. Exercises for balance might help you avoid falls and make it simpler to walk on uneven ground.

Learn more about Physical exercise here:

brainly.com/question/13490156

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irina [24]

Answer:

it's also know as the circulatory system

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