A DNA segment is changed from-AAGTAG- to -AAATAG-. This is a(n)

Witch type of microscope is used to view very small cell components like proteins and dna?

What kind of crystalline solid is graphite? o a. molecular solid b. metallic solid o c. network solid d. ionic solid

The terrestrial planets are characterized by having a a.) silicate core b.) iron-rich silicate core c.) iron-rich metallic core d.) none of these