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TLS Online TPP Program

#Question id: 1744

Which of the following events occurs earliest in T-cell signaling?

#Unit 4. Cell Communication and Cell Signaling

  1. Activation of phospholipase C

  2. Activation of protein kinase C

  3. Production of inositol triphosphate

  4. Activation of protein tyrosine kinase

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TLS Online TPP Program

#Question id: 3297

#Unit 11. Evolution and Behavior

Which of the following is incorrect statement?
TLS Online TPP Program

#Question id: 532

#Unit 1. Molecules and their Interaction Relevant to Biology

In glycolysis, fructose 1,6-bisphosphate is converted to two products with a standard free-energy change (DG'°) of 23.8 kJ/mol.  Under what conditions (encountered in a normal cell) will the free-energy change (DG) be negative, enabling the reaction to proceed to the right?
TLS Online TPP Program

#Question id: 14924

#Unit 8. Inheritance Biology

Which is NOT a characteristic that made peas useful as a model system for Mendel's studies?
TLS Online TPP Program

#Question id: 21960

#Unit 2. Cellular Organization

When the metaphase chromosome is formed the scaffold associated regions are found 
TLS Online TPP Program

#Question id: 7090

#Unit 5. Developmental Biology

In what way, if any, does the chromosomal determination of sex differ in Drosophila and humans?