#Question id: 18647
#SCPH01 Biochemistry
#Question id: 944
#SCPH06 I Botany
Because they lack aspartate kinase and aspartate semialdehyde dehydrogenase, ________ cannot synthesize lysine, methionine or threonine.
#Question id: 3687
#SCPH01 Biochemistry
As the two strands of the double helix are separated, the positive supercoiling interferes with the further unwinding of DNA. Which of the following enzyme makes a break in a strand of DNA to release the supercoiling and facilitate the replication to occur?
#Question id: 933
#SCPH05 I Biotechnology
Industrially, nitrogen for use in fertilizers is converted to ammonia by ________.
#Question id: 2612
#I Life Science/ Life Sciences Group – I-V
Which statement is correct regarding regulation of trp operon;