<Tr> <Th> BRENDA </Th> <Td> BRENDA entry </Td> </Tr> <Tr> <Th> ExPASy </Th> <Td> NiceZyme view </Td> </Tr> <Tr> <Th> KEGG </Th> <Td> KEGG entry </Td> </Tr> <Tr> <Th> MetaCyc </Th> <Td> metabolic pathway </Td> </Tr>

In which of the following cell type or tissues would not contain high levels of active telomerase