Contains dna control center has a membrane found in eukaryote cells these characteristics describe the of a cell. a) chromosomes b) mitochondria c) nucleus d) ribosomes

The correct answer will be option- C (nucleus).

Explanation:

The nucleus is a membrane-bound organelle which encloses the genetic material of the organisms. The nucleus is a characteristic feature of the eukaryotic cell which is not found in the prokaryotes.

The nucleus encloses the DNA molecule inside it and helps protect the genetic material from the external reducing environment as well s from the foreign material as DNA stores the information required to live in a coded form.

Thus, the option- C (nucleus) is the correct answer.

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme

the correct answer is d