Foreign invaders have proteins called antigen, which antibodies lock onto to neutralize. The foreign proteins are different from proteins in our own body, so the immune system can recognize them and finally eliminate them.
Answer:
<h2><u>
A. Having a nucleus</u></h2>
Explanation:
Many organisms have nuclei, but certain types of one-celled prokaryotes and bacteria do not have one.
- a living species
- adaptation
- Reproduction
- Change
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Answer:
Transcription is the process by which the information in a strand of DNA is copied into a new molecule of messenger
Explanation:
