Why did alexander the great’s empire fall apart after his death? plz

Which prevent errors in dna replication? a. helicase enzyme checks the dna for errors. b. each base can attach to only one other type of base. c. ribosome enzymes prevent errors from happening. d. dna contains no complementary base pairs.

The use of dna as evidence in criminal investigations became possible because of the

Which type of neuroglia is found outside of the brain?