Practice Questions

TLS Online TPP Program

#Question id: 9261

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

#XL - R Botany

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: 5756

#XL - S Microbiology

Type of mutation caused by an addition or deletion of a base in a polypeptide-encoding part of a gene

TLS Online TPP Program

#Question id: 1687

#XL - Q Biochemistry

A discontinuous antigen epitope is:

TLS Online TPP Program

#Question id: 822

#XL - Q Biochemistry

Detergents commonly used protein denaturations by interacting with

TLS Online TPP Program

#Question id: 8928

#XL - S Microbiology

An adult animal that possesses bilateral symmetry is most certainly also

TLS Online TPP Program

#Question id: 2670

#XL - T Zoology

A protein that binds to the operator and blocks the RNA polymerase