A 65-year-old alcoholic developed chest pain and cough with an expectoration of sputum. A blood sample revealed that his white blood cell count was 42,000/μl. What is the origin of these WBCs?

TLS Online TPP Program

#Question id: 1058

#Unit 4. Cell Communication and Cell Signaling

Phage-encoded enzymes are

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#Question id: 718

#Unit 1. Molecules and their Interaction Relevant to Biology

Poly- L -leucine in an organic solvent such as dioxane is a helical, whereas poly- L isoleucine is not. Why do these amino acids with the same number and kinds of atoms have different helix-forming tendencies?

TLS Online TPP Program

#Question id: 320

#Unit 1. Molecules and their Interaction Relevant to Biology

The aggregation of nonpolar molecules or groups in water is thermodynamically due to the

TLS Online TPP Program

#Question id: 5039

#Unit 5. Developmental Biology

The process by which developing cells achieve their functional, mature identity as liver, or muscle, or nerve is called:

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#Question id: 5845

#Unit 8. Inheritance Biology

Which of the following statements is false?  In vitro, the strand-exchange reaction: