A segment of DNA made of 280 nucleotides is found to have 60 guanines. How many Cytosines does it have? How many Thymines does it have? How many Adenines? Explain.

Metamorphic rocks are formed when sedimentary or igneous rocks are subjected to heat or pressure and recrystallize without melting. which of the following rocks results from the metamorphism of limestone? a. granite b. slate c. sandstone d. marble

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?

Which is a function performed by stem cells in the skin a. replacing lost skin cells b. making cells for the intestines c. growing new organs d. differentiating into brain cells plz apex