Answer:
I think that fats lead to hardening of the arteries and thus affect the heart ... this is in my opinion
So I think it's C
Answer:
a gun that either fires or it doesn't
Chromosomes <span>structures</span> contain DNA within the cell nucleus
Answer:
An organelle is a subcellular structure that has one or more specific jobs to perform in the cell, much like an organ does in the body. Among the more important cell organelles are the nuclei, which store genetic information; mitochondria, which produce chemical energy; and ribosomes, which assemble proteins.
eukaryotes have organelles
I think the answer is either B or C, hope this helps! Sorry if it doesn't!