The answer is true you are welcome
The word in the blank should be 'segregation' :)
When we breathe, our respiratory system takes up oxygen and carbon dioxide or other useless gases go out . The oxygen combines with the haemoglobin in the blood of the circulatory system . This is transferred to all the cells of our body to get energy.
Answer:
a,the ability to go from a single cell to multicellular organism
The part of the cell would she use as a source of these enzymes is the mitochondrial matrix. It contains <span>he mitochondria's </span>DNA<span>, </span>ribosomes<span>, soluble </span>enzymes<span>, small organic molecules, nucleotide cofactors, and </span>inorganic ions<span>. Thank you for posting your question here. I hope the answer helps. </span>