#Question id: 4340
#SCPH06 I Botany
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: 11667
#I Life Science/ Life Sciences Group – I-V
Which of the following is characteristic of juxtamedullary nephrons?
#Question id: 3861
#SCPH06 I Botany
_ are sequences that are removed from primary transcripts, and _ are sequences that remain present in mature mRNA molecules.
#Question id: 384
#SCPH05 I Biotechnology
A solution was prepared by dissolving 0.02 moles of acetic acid (HOAc; pKa = 4.8) in water to give 1 liter of solution. What is the pH? To this solution was then added 0.008 moles of concentrated sodium hydroxide (NaOH). What is the new pH? (In this problem, you may ignore changes in volume due to the addition of NaOH).
#Question id: 5557
#SCPH01 Biochemistry
The plasma membrane of the sea urchin egg ________.