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Hitman42 [59]
3 years ago
11

John puts one toe into the swimming pool and shivers because the water is so cold. he grits his teeth and dives in anyway. after

about 10 minutes, the temperature of the water seems quite comfortable to him. this example illustrates:
Biology
1 answer:
Dmitry_Shevchenko [17]3 years ago
7 0
Because he stayed in the water
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Describe how oxygen gas (O2) is produced during photosynthesis. Include the specific structures in the plant where the reaction
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Answer:

See the answer below

Explanation:

Oxygen gas is produced during photosynthesis by photolysis of water in the chloroplasts of algae and green plants and in the thylakoid of cyanobacteria. The chlorophyll of photosystem II absorbs light energy which leads to the excitation and knocking out of an electron within the photosystem.

The energy released as a result of returning the electrons to the ground state in an acceptor molecule is used in splitting water molecules into hydrogen and oxygen. The electron released from the splitting of water replaces the one knocked out from the photosystem II while oxygen atoms from two water molecules combine to form diatomic oxygen which is later released as oxygen gas.

The whole process of photolysis of water and the release of oxygen gas happens during the light-dependent reaction of photosynthesis.

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Explanation:

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Which is an important difference between light-dependent (L-D) and light-independent (L-IND) reactions in photosynthesis?
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Light dependent reactions require an actual source of light, and this is from the sun, for energy to carry out the first stage of photosynthesis. They need solar energy to split a water molecule in order to obtain electrons from hydrogen to be used in fueling photosynthesis. Light independent reactions do not require a light source for energy but rather they use energy that was created by the light dependent reactions to complete the process of photosynthesis in which different carbohydrates for the plant are made.
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Both of the regular intravenous solutions administered in medicine, normal saline and lactated Ringer’s solution, are isotonic
larisa86 [58]

Answer:

Both of the regular intravenous solutions administered in medicine, normal saline and lactated Ringer’s solution, are isotonic. Why is this important?

Explanation:

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ISOTONIC SOLUTIONS: <em>The osmolarity of the isotonic fluid approximates the osmolarity of serum plasma. </em>Isotonic fluids are used to hydrate the intravascular compartment in situations of significant fluid loss, such as dehydration, bleeding, etc.

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How long does it take for mitosis to complete? why will most of the cells you view be in interphase?
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Explanation:

:3

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