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3 years ago

Put the events of the light dependent reactions in the order in which they occur and describe how each step is dependent

1 answer:

3 0

Photosynthesis is a process in which light dependent reactions is undertaken and can be studied elaborately. Photosynthesis is a process from which light energy transfers electrons from water to carbon hydroxide which produces carbohydrates. Water, Light intensity and temperature have huge hand in influencing the rate of photosynthesis.
1. Light energy is absorbed by electrons in the pigments and water molecules are split into Hydrogen atoms.
2. High Energy electrons move down the electron transport chain to pump the Hydrogen ions.
3. NADP+ molecules reacts with higher energy electrons along with H+ to form NADPH.
4. The H+ ions pass through ATP synthase causing the base to rotate and form ATP (Adenosine Triphosphate)

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Humoral immunity involves ________ cells and ___________

jarptica [38.1K]

Answer:

Humoral immunity involves B cells and recognize antigens or pathogens in the lymph or blood.

Explanation:

Humoral immunity is defined as the immunity which is mediated by several macromolecules presnet in the extracellular fluids such as antibodies, certain antimicrobial peptides, and complement proteins.

Humoral immunity allows to distinguishes two groups of foreign substances. it involves B cells and recognize antigens or pathogens in the lymph or blood.

Humoral immunity begins when an antigens bind to B cells. Interleukins or helper T cells provides a secondary signal to the B cells that activates a B cell and allows B cell proliferation. which roduces produce plasma cells. The plasma cell then produces antibodies which are identical to the specific antigen. The antibodies are the released and circulate through the body, binding to antigens. B cells the further produces memory cellss for future immunity.

So, Humoral immunity involves B cells and recognize antigens or pathogens in the lymph or blood.

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3 years ago

What type of cell is attacked by the virus?

riadik2000 [5.3K]

The answer is T cells

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3 years ago

Read 2 more answers

What are some ides you have heard of for climate change

GenaCL600 [577]

Answer:

Ans:

Explanation:

Make your voice heard by those in power. ...

Eat less meat and dairy. ...

Cut back on flying. ...

Leave the car at home. ...

Reduce your energy use, and bills. ...

Respect and protect green spaces. ...

Invest your money responsibly. ...

Cut consumption – and waste.

hope it helps ....please mark brainliest

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2 years ago

How do feedback signals affect the cell cycle ?

iris [78.8K]

Answer:

The cyclins activate the CDKs, which affect the cell cycle at three important checkpoints: Late in the G1 stage of the cell cycle, triggering the cell to move into the S phase.

Explanation:

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3 years ago

An abnormal change in ph or increase in temperature could cause the enzyme to _____________. denature speed up remain active wit

bonufazy [111]

The correct response in this case would be denature, the enzyme will no longer be able to catalyze the reaction if there is an abnormally high change in the pH or the temperature.

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3 years ago