imagine a protein composed of 200 different kinds of amino acids, what would be the smallest possible codon size in a genetic system with four different nucleotides

If a fungus a plant take up water and nutrients, that would be an example of which type of relationship? a. commensalism b. symbiotic mutualism c. predation d. parasitism

Rank the three variables in terms of how strongly they affect the "species" composition of the bacterial communities. place the variable with the weakest effect on the left and the variable with the strongest effect on the right.

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16