The entire DNA<span> in cells can be found in individual pieces that are called </span>chromosomes<span>. The main </span>difference between DNA and chromosome<span> is regarding the role of genes. </span>DNA<span> stands for deoxyribonucleic acid. The </span>DNA<span> is basically made up of cytosine, adenine, thymine and guanine.
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Answer:
Hemoglobin!
Explanation:
Hemoglobin is the component that carries O2 in blood. Very important for the body!
I have no idea hopefully someone can help you with this
Answer:
The law of conservation of mass
Explanation:
C) carbon dioxide and water is the answer