TLS Online TPP Program
More Questions
TLS Online TPP Program
#Question id: 18853
#Unit 13. Methods in Biology
Your purification strategy of combinations of chromatography steps gives a protein preparation with a single band on SDS-PAGE. Which of the following would be best for determining the protein concentration (as mg/ml or molarity)?
TLS Online TPP Program
#Question id: 1205
#Unit 4. Cell Communication and Cell Signaling
Acetylcholine on a smooth muscle cell is to phospholipase C as epinephrine on a liver cell is to ? .
TLS Online TPP Program
#Question id: 20323
#Unit 4. Cell Communication and Cell Signaling
The human pathogen Pseudomonas aeruginosa produces and secretes following virulence factors, except
TLS Online TPP Program
#Question id: 12258
#Unit 10. Ecological Principles
The acoustical receptors are destroyed on a population of larvae and rates of wasp predation are measured on the "deaf” larvae and on a population of normal larvae. Based on the curve in the figure and on the concept that animals possess sensory mechanisms that enhance survival, one could correctly predict which of the following?
TLS Online TPP Program
#Question id: 34112
#Unit 2. Cellular Organization
A. When interphase nuclei are suspended in a solution of low ionic strength, they swell and rupture to release fibers of chromatin.
B. Individual nucleosomes can be obtained by treating chromatin with the endonuclease micrococcal nuclease
C. When chromatin is digested with MNase, the DNA is cleaved into integral multiples of a unit length can be Fractionated by gel electrophoresis reveals the “ladder”
D. With MNase more than 95% of nuclear DNA can be recovered in the form of the 200-bp ladder.
Choose true and false