<Li> O - linked </Li> <Tr> <Th> Nonhuman </Th> <Td> <Table> <Tr> <Td_colspan="2"> <Ul> <Li> Photosynthesis </Li> <Li> Anoxygenic photosynthesis </Li> <Li> Chemosynthesis </Li> <Li> Carbon fixation </Li> </Ul> </Td> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> Xylose metabolism </Li> <Li> Radiotrophism </Li> </Ul> </Td> </Tr> </Table> </Td> </Tr> <Table> <Tr> <Td_colspan="2"> <Ul> <Li> Photosynthesis </Li> <Li> Anoxygenic photosynthesis </Li> <Li> Chemosynthesis </Li> <Li> Carbon fixation </Li> </Ul> </Td> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> Xylose metabolism </Li> <Li> Radiotrophism </Li> </Ul> </Td> </Tr> </Table> <Tr> <Td_colspan="2"> <Ul> <Li> Photosynthesis </Li> <Li> Anoxygenic photosynthesis </Li> <Li> Chemosynthesis </Li> <Li> Carbon fixation </Li> </Ul> </Td> </Tr>

Difference between de novo and salvage pathway of nucleotide synthesis