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Red blood cells are shaped like a biconcave disc - increases SA:volume ration -> increase surface for oxygen to diffuse in and out of cell
Red blood cells are very small - 7...
Oxygen and carbon dioxide, dissolved in water, are exchanged by diffusion in the lungs. Blood travelling to the lungs is deoxygenated and instead of oxygen, carbon dioxide is bound to the red blood cells....
Prophase - everything in the cell duplicates, and the chromosomes condense Metaphase - chromosomes align in the middle of the cell and spindle fibres attach to the centromere (part holding the two sister ...
Numerous experimental investigations have been conducted to explain the diversity and unity of life. Specifically, these models have aimed to provide evidence that the conditions of early Earth provided a...
First, it is important to note that a concentration gradient of H+ ions is generated between the matrix of the mitochrondria and the inter-membrane space. This is because HPSAnswered by Pratyusha S. • Biology tutor15303 Views
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