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tankabanditka [31]
3 years ago
9

Please I need help! its a biology subject so can someone please help me and give me the answer

Biology
1 answer:
taurus [48]3 years ago
5 0

Hope it will help you ...............

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Stars emit visible light.
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3 years ago
Why is pyruvic acid never the end product of fermentation
Igoryamba

Answer:

Pyruvic acid is not the end product of fermentation because in fermentation the pyruvic acid is converted into alcohol/lactic acid and carbon dioxide. There are two types of fermentation alcoholic fermentation and lactic acid fermentation.

In alcoholic fermentation, pyruvate is converted into ethanol and CO2 for example in yeast and in lactic acid fermentation pyruvate is converted into lactic acid and CO2 for example in animals muscles.

Therefore in fermentation pyruvic acid is not the end product of fermentation. In fermentation 2 ATP is produced.  

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Bacteriorhodopsin pumps protons across the bacterial plasma membrane from the cytosolic side to the extracellular side of the me
julsineya [31]

Answer: Option B.

B. The chromaphore retinal absorbs a photon of light, causing a double bond in retinal to isomerize from trans to cis configuration.

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It captures photon energy through chromophore retina which is covalently bound and transporting the photons against their electrochemical gradients from the cytoplasm to the extracellular space.

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Humans and other animals regulate cell growth and cell division. In humans which of these types of cells generally do NOT divide
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skin cells and muscles divide

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