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TLS Online TPP Program

#Question id: 27349

Why do bacteria have CRISPR? Check all that apply.

#XL - T Zoology
  1. To be able to remember which viruses they have been infected with
  2. To be able to edit virus DNA
  3. To cut apart virus DNA thereby stopping the virus infection
  4. To be able to edit their own DNA
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TLS Online TPP Program

#Question id: 2330

#XL - T Zoology

The cell theory states that
TLS Online TPP Program

#Question id: 2331

#XL - T Zoology

Which portion of a phospholipid molecule would be facing the environment outside of the cell?
TLS Online TPP Program

#Question id: 2362

#XL - Q Biochemistry

Before a cell divides, the centrioles ______
TLS Online TPP Program

#Question id: 2363

#XL - Q Biochemistry

Cells lining the respiratory tract contain ______ that help keep the lungs clear of particles.
TLS Online TPP Program

#Question id: 2364

#XL - Q Biochemistry

An enzyme's specificity is caused by the ______ of the active site.
TLS Online TPP Program

#Question id: 2365

#XL - Q Biochemistry

A denatured enzyme no longer has its usual ______ .