Practice Questions

TLS Online TPP Program

#Question id: 27349

Why do bacteria have CRISPR? Check all that apply.

#XL - T Zoology

To be able to remember which viruses they have been infected with
To be able to edit virus DNA
To cut apart virus DNA thereby stopping the virus infection
To be able to edit their own DNA

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TLS Online TPP Program

#Question id: 11926

#XL - S Microbiology

The chloroplasts of all of the following are derived from ancestral red algae, except those of

TLS Online TPP Program

#Question id: 3258

#XL - T Zoology

Which of the following incorrect about genetic drift

TLS Online TPP Program

#Question id: 2161

#XL - S Microbiology

Facilitated diffusion can be distinguished from passive diffusion by

TLS Online TPP Program

#Question id: 5261

#XL - S Microbiology

Which of these statements about prokaryotes is correct?

TLS Online TPP Program

#Question id: 5740

#XL - T Zoology

Pollen from one species germinates on the stigma of another related species and sexually fertilizes the ovule. Most of the resulting plants are sterile but some of the resulting offspring undergo chromosome duplication resulting fertile plants. The fertile offspring are known as