<span>Embryonic stem cells
Tissue-specific stem cells
Mesenchymal stem cells
<span>Induced pluripotent stem cells
</span></span>
<span>During photosynthesis, plants use carbon dioxide and produce oxygen. During metabolism oxygen is used and carbon dioxide is a product. Humans impact the carbon cycle during the combustion of any type of fossil fuel, which may include oil, coal, or natural gas.</span>
D
Cos Dna contains deoxyribose, Rna ribose
Polysaccharides have 1 sugar
disaccharides have 2 sugars
monosaccharides have a chain of sugars
