Although some bacteria have membranes around their DNA, we do not call these structures nuclei because they lack . a. pores b. ribosomes c. phospholipids d. proteins e. a bilayer construction

A. Pores

Explanation:

To be considered nuclei, the DNA membrane structures have to have pores.

Nuclear pores are necessary to connect the nucleus with the cytoplasm, and to regulate the transportation of materials between the two areas.

So, the correct answer is A.

frogs. the lower the ph the higher the acid content. frogs have the highest tolerance in this scenario.