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TLS Online TPP Program
#Question id: 28610
#Unit 2. Cellular Organization
The Cip/Kip family members bind to cyclin-bound CDKs and block the activity of which of the following cyclins B-containing complexes ?
TLS Online TPP Program
#Question id: 16122
#Unit 7. System Physiology – Animal
Fever is an abnormal elevation of body temperature. Following statements are regarding to the cellular mechanism of fever.
A. Pyrogens produce fever by increasing the hypothalamic set-point temperature.
B. the mechanism of pyrogen action is increased production of interleukin-1 (IL-1) in phagocytic cells.
C. IL-1 then acts on the anterior hypothalamus to increase local production of prostaglandins, which increase the set-point temperature.
D. IL-1 then acts on the posterior hypothalamus to increase local production of prostaglandins, which increase the set-point temperature.
E. IL-1 then acts on the posterior hypothalamus to increase local production of prostaglandins, which decrease the set-point temperature.
Which of the following combination is correct?
TLS Online TPP Program
#Question id: 19874
#Unit 13. Methods in Biology
Adding homopolymer tails to the 3’ end of DNA by an enzyme such as
TLS Online TPP Program
#Question id: 16146
#Unit 4. Cell Communication and Cell Signaling
If a given lymphocyte divides to form two daughter cells, both daughters bear antigen receptors with antigen specificities identical to each other and to the parental cell from which they arose, and so will any descendants they produce. The resulting population of lymphocytes, all arising from the same founding lymphocyte, is a clone. Which interleukin is responsible for clone production?
TLS Online TPP Program
#Question id: 637
#Unit 1. Molecules and their Interaction Relevant to Biology
Effect of temperature on enzymatic catalysis is analysed by the rate v of a chemical reaction varies with temperature according to the Arrhenius Equation which explains the sensitivity of enzyme reactions to temperature. A plot to determination of the activation energy Ea involves