Red blood cell
the biconcave shape helps it to squeeze through blood vessels smaller than itself and not get stuck inside (the lack of nucleus also helps it to do this as it has a smaller volume) and the haemoglobin causes the oxygen to stick to it to be transported to other parts of the body.
Answer:
sorry mate but thats wrong
1-DNA contains the sugar deoxyribose, while RNA contains the sugar ribose.
2-DNA is a double-stranded molecule, while RNA is a single-stranded molecule.
3-DNA is stable under alkaline conditions, while RNA is not stable.
Hope this helps you!!!:) You can translate this into Spanish!
A solution is a mixture where the individual components cannot be made out.
Sugar dissolves in water, which results in a mixture of sugar and water. When the sugar dissolves, it is invisible to the human eye, but still exists at a molecular level. This makes the mixture a solution, as you cannot separate the sugar from the water visibly. The answer will be D) A mixture of sugar and water.