#Question id: 10283
#I Life Science/ Life Sciences Group – I-V
How to Phosphofructokinase-1 (PFK-1) and Fructose 1,6-Bisphosphatase are reciprocally regulated ?
a) ATP inhibits PFK-1 by binding to an allosteric site and lowering the affinity of the enzyme for its substrate fructose 6-phosphate
b) citrate is also an allosteric regulator of PFK-1, high citrate concentration increases the inhibitory effect of ATP
c) FBPase-1, is strongly inhibited (allosterically) by AMP; when the cell’s supply of ATP is low (corresponding to high AMP), the ATP-requiring synthesis of glucose slows
d) AMP inhibits PFK-1 by binding to an allosteric site and lowering the affinity of the enzyme for its substrate fructose 6-phosphate
Which of the following statements of regulation of enzyme is correct?
#Question id: 5523
#SCPH06 I Botany
Ectodermal cells condense into placodes that change into
#Question id: 3279
#SCPH28 | Zoology
Which two of the following have operated to increase divergence between mosquito fish populations on island?
a. improved gene flow
b. bottleneck effect
c. sexual selection
d. founder effect
e. natural selection
#Question id: 104
#SCPH01 Biochemistry
Which of the following is the simplest lipids but they may be a part of or a source of many complex lipids.
#Question id: 19692
#SCPH06 I Botany