#Question id: 2666
#XL - T Zoology
A cell does not want to waste energy synthesizing the amino acid arginine if arginine is present in its diet. Therefore, when arginine is present, it activates a repressor protein to prevent transcription of genes that code for enzyme to make arginine. This is an example of what type of regulation?
#Question id: 3680
#XL - S Microbiology
If DNA polymerase I were mutated so that all its enzymatic activities were inactive, which part of replication would be most affected?
#Question id: 28126
#XL - U Food Technology
In soft drink flavours are stable to which temperature
#Question id: 4140
#XL - T Zoology
Which of the following statements about bacterial mRNA is true?
#Question id: 3766
#XL - Q Biochemistry
Individuals with the disorder xeroderma pigmentosum are hypersensitive to sunlight, and mutations to the DNA in their skin cells are left uncorrected. Why are the mutations not corrected in individuals with this disorder?