Practice Questions

TLS Online TPP Program

#Question id: 1435

Direct-acting carcinogens are those that:

#Section 3: Genetics, Cellular and Molecular Biology

chemically react with nitrogen and phosphorous atoms in DNA.
work in conjunction with cytochrome P-450 in the endoplasmic reticulum.
are mainly reactive electrophiles.
generally unreactive, often water-insoluble compounds that can act as potent cancer inducers only after the introduction of electrophilic centers.

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TLS Online TPP Program

#Question id: 1440

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following is NOT evidence that smoking causes lung cancer?

TLS Online TPP Program

#Question id: 1444

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following is a proto-oncogene?

TLS Online TPP Program

#Question id: 1489

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

How might you distinguish between a malignant tumor and a benign tumor?

TLS Online TPP Program

#Question id: 1539

#Section 2: General Biology

Regulatory T cell (TREG) have identified by the presence of

TLS Online TPP Program

#Question id: 1540

#Section 2: General Biology

Peptidoglycans recognize by

TLS Online TPP Program

#Question id: 1541

#Section 2: General Biology

Nonphagocytic cell of immune system,