Look at the picture and usually a taiga would have coniferous trees in it
The bilayer of the plasma membrane is similar to the bilayer formed by phospholipids when they self-assemble.
<h3>Does the primary structure of the cell membrane consist of phospholipids?</h3>
The basic structure of the plasma membrane is a bilayer of phospholipids. Being amphipathic, or having both hydrophilic and hydrophobic areas, makes them ideal for this function. Hydrophilic heads and hydrophobic tails are visible in the chemical structure of phospholipids.
<h3>Why are phospholipids present in the plasma membrane?</h3>
The main lipids in membranes, phospholipids, are made up of lipid bilayers. Furthermore, it allows numerous cellular processes to take place in subcellular compartments while serving as a barrier to guard the cell against various environmental disturbances.
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Answer:
The pathway of oxygen from lungs to the body tissues is alveoli → red blood cells → blood vessels → tissues (option b).
Explanation:
The oxygen (O₂) required by the tissues comes from the air inspired by the respiratory system. The pathway of entry of O₂ to the body and tissues is:
- O₂ from the air reaches the lungs.
- In the pulmonary alveoli, gas exchange occurs, that is, O₂ passes into the blood capillaries and is captured by the red blood cells, while CO₂ is released and passes into the alveoli to be eliminated.
- O₂ in the red blood cells travels through the blood vessels.
- The tissues receive the O₂ and a second gaseous exchange occurs at the tissue level, as they release CO₂ that will be carried to the alveoli.
Tissue oxygenation depends on the integrity of the respiratory and circulatory systems.
<em> The other options do not show the correct order in which the oxygen travels from the alveoli to the tissues.</em>
