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balu736 [363]
3 years ago
8

PLEASE HELP IM ON FINAL ATTEMPT!!!

Biology
2 answers:
allsm [11]3 years ago
5 0
Hope this helps :)


https://www.immunology.org/public-information/bitesized-immunology/cells/cd8-t-cells
ra1l [238]3 years ago
4 0

Answer:

The 4th one

Explanation:

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genes containing dna.

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All geologic eras are about the same number of years.<br> True or false
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a). RTKs are the trans-membrane receptors, which have a ligand restricting site on the extracellular area and tyro-sine authoritative on the intra-cellular space. In the event that it comes up short on the extracellular area, the ligand can't tie to the receptor site, so no cell reaction happens.  

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