#Question id: 4340
#SCPH01 Biochemistry
There is a mutation that is found in E. coli in the repressor that results in a molecule known as a super-repressor because it represses the lac operon permanently. Which of the following characteristics would you expect to observe in such a mutant?
#Question id: 1036
#SCPH28 | Zoology
A urine sample with more than 100,000 organisms is considered indicative of infection. A urine sample containing 5,000 bacteria, with a generation time of 30 minutes, sits for 3 hours before finally being assayed. How many bacteria will then be present within the sample?
#Question id: 1270
#SCPH06 I Botany
Which of the following is a major extracellular molecule in mammals containing no protein portion?
#Question id: 6979
#I Life Science/ Life Sciences Group – I-V
The muscle-forming cells of the vertebrate limb come from:
#Question id: 1564
#SCPH01 Biochemistry
When antibodies bind antigens, the clumping of antigens results from ________.