In one liter of blood, more than 98% of oxygen gas is transported by red blood cells or erythrocytes and the remaining 2% of this gas is dissolved in plasma. As for carbon dioxide,
70% of this gas is transported by the elements of plasma and the remaining 30% is
transported by red blood cells.
Hemoglobin, the main constituent of red blood cells, has the property of combining
rapidly and in a reversible manner with O2 gas or CO2
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1. Pick out, by referring to the text :
a. The property that makes hemoglobin the essential transporter of Oz gas.
b- The constituent of blood where hemoglobin is present.
2- Indicate the constituents of blood that ensure essentially the transport of carbon dioxide. Justify
the answer
3- Write the chemical reaction corresponding to the combination of hemoglobin with oxygen gas.

explanation:

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the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.

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these macromolecules could either be amino acids, proteins or nucleic acids. they are responsible for the chemical changes and reactions that affects largely the cell and its composition. take for instance the cytoplasm of the cell where these organelles are settled. these simple organelles are composed of macromolecules which ignites and catalyses different functions that enables cells, in macro-perspective in motion and metabolism. in intestines for example, metabolism happens and breaking down parts of a food to simpler compounds that are used and these nutrients delivered throughout the body and again broken down by into smaller components.