Practice Questions

TLS Online TPP Program

#Question id: 485

Which of the following statements is incorrect?

#Unit 1. Molecules and their Interaction Relevant to Biology

Aerobically, oxidative decarboxylation of pyruvate forms acetate that enters the citric acid cycle.
In anaerobic muscle, pyruvate is converted to lactate.
In yeast growing anaerobically, pyruvate is converted to ethanol.
Under anaerobic conditions pyruvate does not form because glycolysis does not occur.

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TLS Online TPP Program

#Question id: 1970

#Unit 4. Cell Communication and Cell Signaling

What are antigens?

TLS Online TPP Program

#Question id: 1971

#Unit 4. Cell Communication and Cell Signaling

If a newborn were accidentally given a drug that destroyed the thymus, what would most likely happen?

TLS Online TPP Program

#Question id: 1972

#Unit 4. Cell Communication and Cell Signaling

Clonal selection implies that

TLS Online TPP Program

#Question id: 1973

#Unit 4. Cell Communication and Cell Signaling

Clonal selection is an explanation for how

TLS Online TPP Program

#Question id: 1974

#Unit 4. Cell Communication and Cell Signaling

A person exposed to a new cold virus would not feel better for one to two weeks because

TLS Online TPP Program

#Question id: 1975

#Unit 4. Cell Communication and Cell Signaling

Which of the following differentiates T cells and B cells?