PLS HELP LIKE ASAP

1.DNA is made of chains of four smaller molecules called: (9 Points)
A. nucleotides
B. mitochondrial bases
C. life blocks
D. DNAblers

2.The four differing nucleotide parts, called bases, are made of a few: (9 Points)
A. Carbon and oxygen atoms
B. Hydrogen atoms
C. Nitrogen and phosphorus atoms
D. All of the above

3.You can think of DNA as a great library of information that exists to do one thing only. What is that thing? (9 Points)

A. Build other double helix models of information.
B. Tell the brain how to construct the body.
C. Store data about what worked and what did not.
D. Direct the building of different protein molecules.

4.It's estimated that all the chromosomes together house about 20,000 individual instructions calledImmersive Reader (9 Points)
A. Genes
B. Base pairs
C. Chromatophores
D. Lipids