I need help no understand

The one with the circle on the left is phosphate group

The one with the car is Cystonine

The one with the house is Guanine

The one with the tree Thymine

The one with the pentagon is Dexoryisbe Sugar

The one with the Apple is  Adenine

PLZ CORRECT ME IF I AM WRONG PLZ AND THANK YOU

Explanation:

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: missense mutation: this type of mutation is a change in one dna base pair that results in the substitution of one amino acid for another in the protein made by a gene. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

explanation:

answer; ///(b) it is composed of four protein chains and four heme groups;