Titration of valine by a strong base, for example NaOH, reveals two pK’s. The titration reaction occurring at pK2 (pK2 = 9.62) is:

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#Question id: 1807

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements is TRUE of NKT cells?

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#Question id: 26791

#Unit 8. Inheritance Biology

There are four genes which control the phenotype and assort independently such as A, B, C and D. If the genotype Aa Bb Cc Dd is selfed then what is the probability for progeny which shows the dominant phenotype for AT LEAST ONE of  phenotypes controlled by

genes A, B,  C and D? 

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#Question id: 28541

#Unit 5. Developmental Biology

Following statements is related to the figure that required for the maintenance of stem cell number such as;

I-As stem cell number decreases, the level of CLV3 is reduced

II-an increase in the number of stem cells promotes transcription of CLV3

III-a small peptide binds to the receptor and supresses the expression of WUS

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#Question id: 24486

#Unit 3. Fundamental Processes

Splicing is an …………reaction that proceeds through a pentavalent phosphorous intermediate.

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#Question id: 1962

#Unit 4. Cell Communication and Cell Signaling

Which cells and which signaling molecules are responsible for initiating an inflammatory response?