Question

please tell me the answer..


S 2​

Answer 1

Answer:

2nd = DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C).

3rd = Dialysis is a treatment that filters and purifies the blood using a machine. This helps keep your fluids and electrolytes in balance when the kidneys can't do their job. Dialysis has been used since the 1940s to treat people with kidney problems.