Hydrogen ions are important in the light-dependent reactions of photosynthesis because they produce a
1 answer:
Answer:
<u>a. the production of ATP</u>
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Explanation:
Photosynthesis is type of biosynthesis that produces glucose from the reactants sunlight, carbon dioxide and water. It happens in two phases of the chloroplast, the light-dependent and light-independent reactions. In a light reaction that stimulates photosystems, pigments such as chlorophyll absorb light energy at specific wavelengths. Here,
- Light energy stimulates photosystem complexes formed from chlorophyll. Photosystem II then absorbs and transfers light to a reaction core.
- Water undergoes hydrolysis or splitting to yield an electron, a proton (H+) and oxygen.
- energy is passed along the electron transport chain, where it forms builds up H+ and an electrochemical gradient in the thylakoid space
- These protons pass through the ATPase enzyme embedded within the membrane, into the stroma, generating ATP from ADP.
- NADPH is generated from NADP+
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Answer:
The correct answer would be B. thrombocytes.
Thrombocytes, also called platelets are the components of the blood which play important role in the process of hemostasis.
Hemostasis is the process of preventing the flow of blood from the damaged site or damaged blood vessel. It is the first stage involved in the healing of the wound.
Platelets form the platelet-plug at the site of damage which in turn activates another blood clotting factor fibrinogen.
Fibrinogen gets converted into an active fibrin (insoluble) which forms the meshwork like structure to trap more and more platelets and red blood cells. It results in the formation of a clot which completely seals the cut or damaged site.
