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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 ...
It is important to note that the IB syllabus expects the students to understand that "The myelination of nerve fibres allows for saltatory conduction." What this essentially mea...
Mendel's two laws of inheritance are: the law of segregation and the law of independent assortment.
A copy of the gene to be coded in DNA is made from messenger RNA (mRNA). mRNA travels out of the nucleus and attaches to a ribosome. The ribosome joins amino acids together in the order determined by mRNA...
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