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Jan 10, 2008 · does photosynthesis also pump out protons just like cellular respiration? if it does, how is it related to the size of stomata? please help..this is killing me.. :oops: :oops:

Oct 31, 2008 · I set up a reaction recently in which I was examining a cytosolic chaperone's activity. It is possible I may have had 10 mM DTT in the reaction buffer, rather than the suggested 1 mM

Oct 12, 2008 · For my exam which is coming up next month I have to know what the difference between ossification and osteogenesis is. However, in medical dictionaries and books there isn't a clear …

Dec 15, 2010 · what is the difference between variation, evolution and speciation?

Oct 26, 2007 · I've been trying to find information about how the structural differences in hemoglobin in individuals affect with sickle cell prevent infection by Plasmodium. But I'm not really finding any …

Apr 8, 2007 · Biology Forum › Cell Biology ›Membrane help last updated by mith 17 years, 11 months ago 4 voices 3 replies Author Posts April 8, 2007 at 3:33 am #7381 bionut720 Participant

Enzymes are degraded over time. Some are relatively short-lived while others are very persistent, but damage accumulates and they are eventually broken down.

Jun 24, 2008 · "the adult tunicate scarcely resembles a chordate. It displays no trace of a notochord, nor is there a nerve cord or tail. Only the pharyngeal slits suggest a link to other chordates. But all four …

Mar 16, 2010 · i wnt 2 pressent at class omsosis but i dnt have selectively permable mambrane so wat alse i can use to do that project or a place wer i can buy dylisis tubule ...