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Which people usually have sickle cell?
those living around the equator or descendants from there. Sickle cell prevents malaria.
what are some things that sickle cells can cause?
alter Hb structure, not carry O2 efficiently, lose flexibility, get caught in capillaries, clump together
process of transcription
mRNA enters nucleus, RNA polymerase unwinds DNA, complimentary mRNA formed from DNA template strand, mRNA built by RNA polymerase 5' to 3', mRNA leaves the nucleus
how do you get the proteins for each cell
different parts of DNA are copied to make different proteins
what is the purpose of the poly A tail
to protect the mRNA from enzymes in the cytoplasm that will disintegrate it.
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