I would say C.nervous system because that pretty much defines all of the answer choices.
The doughnut because it contains carbohydrates
The answer is <span> b) chromosomes replicate
DNA replication occurs before mitosis. So, duplicated chromosomes are already present in mitosis. They are connected by centromeres. During different phases of mitosis, spindles are formed and pull chromosomes toward the opposite poles of the cell so centromeres must split.</span>
A characteristic of carbon is that it is highly reactive and can form unstable bonds with any available atom.
Agent that kills microorganisms, rather than inhibits it: bactericid
e
Microbial growth can be controlled and that control usually involves the use of physical or chemical agents. Chemical agents which either kill the microorganisms are called cidal agents while those that prevent their growth are referred to as static agents. of microorganisms. Thus, the term bactericidal refers to killing bacteria, and bacteriostatic refers to inhibiting the growth of bacterial cells.