Liver functions

1. 1what is responsible for bringing oxygen rich blood to the liver

   1. Athe hepatic portal vein
   2. Bthe hepatic artery
   3. Csinusoids
   4. Dthe hepatic vein
2. 2where does blood from the hepatic portal vein come from?

   1. Astomach and small intestine
   2. Blarge intestine and kidneys
   3. Cheart
   4. Dlungs
3. 3what is alcohol oxidised into

   1. Aacetaldehyde
   2. Bacetic acid
   3. Ccarbon dioxide
   4. Dwater
   5. Eglucose
4. 4what is the enzyme responsible for oxidation into acetic acid

   1. Aalcohol dehydrogenase
   2. Bacetic acid dehydrogenase
   3. Cacetaldehyde dehydrogenase
5. 5what is the protein part of a red blood cell

   1. Ahaeme
   2. Bglobin
6. 6what is the function of proteases in the breakdown of red blood cells

   1. Ahydrolysis of globin
   2. Bremoval of iron
   3. Coxidation of amino acids into proteins
7. 7where is iron stored

   1. Aliver
   2. Bgall bladder
   3. Ckidneys
8. 8what is haeme converted into?

   1. Airon and bile pigments
   2. Bamino acids
   3. Cjust iron
   4. Djust bile salts
9. 9red blood cells are formed in [blank_start]bone marrow.[blank_end] Red blood cells remain functional only for a limited time before they are broken down and replaced. Worn out cells are taken up by [blank_start]phagocytosis[blank_end] by [blank_start]macrophage cells[blank_end]. This occurs in phagocytes called [blank_start]Kupffer cells.[blank_end] Kupffer cells are attached to the walls of [blank_start]sinusoids[blank_end]. The globin ([blank_start]protein part[blank_end]) and [blank_start]haeme[blank_end] (non-protein part containing Fe ions) are split apart. The globin is [blank_start]hydrolysed[blank_end] by [blank_start]proteases[blank_end] to [blank_start]amino acids[blank_end]. Iron in the form of [blank_start]Fe3+[blank_end] is formed in the breakdown of the haeme. Fe3+ is removed and attached to a [blank_start]carrier protein[blank_end]. Iron is stored in the liver cells and eventually exported via the [blank_start]blood plasma[blank_end] to the bone marrow. The remainder of the haeme part is converted into [blank_start]bile pigments[blank_end] and secreted into [blank_start]bile channels[blank_end] between the [blank_start]sinusoids.[blank_end]

   1. Abone marrow.
   2. Bphagocytosis
   3. Cmacrophage cells
   4. DKupffer cells.
   5. Esinusoids
   6. Fprotein part
   7. Ghaeme
   8. Hhydrolysed
   9. Iproteases
   10. Jamino acids
   11. KFe3+
   12. Lcarrier protein
   13. Mblood plasma
   14. Nbile pigments
   15. Osinusoids.
   16. Pbile channels

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GCSE Biology (Metabolism, respiration and photosynthesis ) Quiz on Liver functions , created by Arianna Weaving on 17/12/2017.

Author

Arianna Weaving

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English

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biologymetabolism, respiration and photosynthesis gcse

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