I believe it would be the sex-determining chromosomes, esp X and Y. These are two very different chromosomes, but the combo of them together is normal.
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Isotonic, Hypotonic, and Hypertonic Solutions. Water moves readily across cell membranes through special protein-lined channels, and if the total concentration of all dissolved solutes is not equal on both sides, there will be net movement of water molecules into or out of the cell.
hope this helps :)sorry if it doesnt
Yes it might be C, but it's kinda wierd that you call the prey a resource.
but most probably it's C
The trachea is most likely to collapse because it is composed of 16-20 incomplete rings<span> of hyaline </span>cartilage is <span>connected by a membrane.</span>
Gene regulation is necessary in the development of multi-cellular organisms because it is necessary to make sure certain things go where they are needed to go. Multi-cellular organisms have more organ systems, therefore depend on more cells to live. Cells have a memory; the genes a cell expresses and the way it behaves depend on the cell's past, as well as its present environment.
