Amagnified cross section view of small intestine illustrated fingerlike projections. what is their role in the process of digestion?

What must happen before meiosis can begin? a. four gametes must be produced b. the four tetrads must be pulled apart c. dna doubles and produces sister chromatids d. the cell membrane pinches together

Which codon is the code for the amino acid histidine (his)?

Dna replication or repair occurs in a cell in all of thw following situations except when