Practice Questions

TLS Online TPP Program

#Question id: 9261

Which of the following statements about horizontal gene transfer is accurate?

#Unit 9. Diversity of Life Forms

Horizontal gene transfer was quite common in the early stages of evolution of life on Earth.
Horizontal gene transfer among organisms does not occur today.
Horizontal gene transfer moves only genes that play a role in metabolism.
Horizontal gene transfer occurs only among closely related organisms.

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TLS Online TPP Program

#Question id: 16115

#Unit 7. System Physiology – Animal

Cold environmental temperatures:

TLS Online TPP Program

#Question id: 11581

#Unit 7. System Physiology – Animal

DES is called an "endocrine disrupting chemical" because it interferes with the endocrine secretions of the ________.

TLS Online TPP Program

#Question id: 18390

#Unit 12. Applied Biology

Which bacterium is mainly found at quite high ionizing radiation zones or areas?

TLS Online TPP Program

#Question id: 3292

#Unit 11. Evolution and Behavior

Which of the following is correct observation?

TLS Online TPP Program

#Question id: 5844

#Unit 8. Inheritance Biology

In homologous genetic recombination, RecA protein is involved in: