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TLS Online TPP Program

#Question id: 1927

Which of the following statements is TRUE of malignant lymphoid cells?

#Unit 4. Cell Communication and Cell Signaling

  1. Malignant lymphoid cells show maturation arrest at characteristic stages in differentiation

  2. Malignant lymphoid cells form a polyclonal population of cells

  3. Malignant lymphoid cells are non-dividing

  4. Malignant lymphoid cells express several different tumor-specific antigens

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TLS Online TPP Program

#Question id: 1070

#Unit 4. Cell Communication and Cell Signaling

Genetic exchange in segmented viruses that allows a zoonotic virus to infect humans is termed
TLS Online TPP Program

#Question id: 23563

#Unit 13. Methods in Biology

________ is the direct uptake of foreign DNA by a host cell.
TLS Online TPP Program

#Question id: 12330

#Unit 10. Ecological Principles

Elephants are not the most common species in African grasslands. The grasslands contain scattered woody plants, but they are kept in check by the uprooting activities of the elephants. Take away the elephants, and the grasslands convert to forests or to shrublands. The newly growing forests support fewer species than the previous grasslands. Which of the following describes why elephants are the keystone species in this scenario?
TLS Online TPP Program

#Question id: 2400

#Unit 2. Cellular Organization

Yeast cells that have defective mitochondria incapable of respiration will be able to grow by catabolizing which of the following carbon sources for energy?
TLS Online TPP Program

#Question id: 11870

#General Aptitude

The greatest 4-digit number exactly divisible by 10, 15, 201 is