The illustration represents a part of which of the following types of biochemicals?

7 is dna

and i got 10 wrong but big to the guy with all 20 answers.

Ijust took this test homie, even though it might be too late here are the answers
1. aldehyde
2.polystyrene
3.a
4.lipid
5.protiens
6. peptide bond
7. nucliec acids
8. hemoglobin
9. dipetide
10. butyne
11.-ch2-ccl2-
12. they are isomers
13. six sided ring
14. monosaccaride
15. ch3-ch2-ch2-ch = ch2
16. polyatic acid
17. ch3-co-o-ch3
18. ch3-ch=ch -ch3
19.copolymer
20. 4

so, the answer to your question is number 7 (nucliec acids) btw if you are in k12 post your tests so we all dont have to search like madmen for the answers like i just did.