Answer:
DNA is made up of molecules called nucleotides each nucleotides contains a phosphate group a sugar group and nitrogen base
Answer:
b
Explanation:
because they are held together by ester bonds not peptide bond :)
Answer:there is nothing to choose from
Explanation:
Answer:
20
Explanation:
pressure =force/area
150cm ×2=300cm^2
600÷300=20
I think this is right, you need to put the units on your answer
