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Home Q & A Board Biology-Related Homework Help General Biology
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sherryzzzzz sherryzzzzz
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6 years ago
The light-dependent reactions of photosynthesis take place in the ______, while the light-independent reactions occur in the ____ of the chloroplast.
  1.Thylakoid membranes, stroma
  2.Stroma, thylakoid membrane
  3.Outer membrane, stroma
  4.ribosome, outer membrane
 
Question 2

A species of archaea, Ferroplasma acidarmanus, lives in water and has a pH of zero, yet are able to maintain their internal pH at a cozy 5 despite living in an environment with a composition essentially the same as hot battery acid. These data showing the pH profiles of four enzymes isolated from F. acidarmanus indicate that optimal enzyme function occurs at
  1.around pH 5, which is consistent with the organisms internal environment.
  2.around 0, which is consistent with the external environment.
  3.an average of around pH 2.5.
  4.a fairly basic pH.
 
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LakajLakaj
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sherryzzzzz Author
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6 years ago
this is exactly what I needed
decibul
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You make an excellent tutor!
Evolution
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This site is awesome
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