applying understanding questions

[jalamoushi]

1. explain why the alcohol in beer enters the body cells more rapidly than the sugar in a chocolate bar?
2. 'a particle that has been taken into a cell by phagocytosis is not truly inside the cell,. explain this statement.

[Shenz0r]

1. Alcohol is lipophilic as it is mostly non-polar, and hence it diffuses into cells very readily. The glucose which comprises sugar is both polar and very large, and hence it may only diffuse into a cell through a transport protein embedded on the membrane.
2. Phagocytosis involves the vesicular internalisation of solid particles. A particle that has been transported into the cell by phagocytosis is enveloped in a vesicle but it is not considered a part of the cytosol until lysosomes hydrolyse it by fusing onto the vesicle and degrading it .

[jalamoushi]

thank you so much