Carrying the genetic code and determining an organism's structure and function are the functions of
dna
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The DNA acts as carrier of genetic information and is also involved determining the structure and function of organism.

The fundamental job of DNA is that it acts as carrier of genetic information and is also involved determining the structure and function of organism. It is the major components due to which the cell secrets proteins which are required for all metabolic action of the cell.  

The DNA sections that convey hereditary data are called genes; however, other DNA arrangements have auxiliary purposes, or are associated with controlling the statement of hereditary data.

i might be wrong but i think its a. let me know if i’m right and have a good rest of your day!

some fungi obtain their nutrients from a living host (plant or animal) and are called most biotrophic fungi have fairly narrow host ranges—they are specialized on a limited called rhizomorphs that allow the fungus to grow from one tree to another. ascospores are formed inside a sac-like structure called an ascus. so your answer is a