Hormones are chemical messengers secreted into blood or extracellular fluid by one cell that affect the functioning of other cells. In very basic terms, binding of hormone to receptor triggers a cascade of reactions within the cell that affects function.
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hormones do this by binding to specific chemical receptors on those cells.
makes it grow faster and more liable to sickness
no
Minerals in the soil!
Hormones in the bloodstream are able to affect target cells/organs and not other cells/organs because of selective permeability. This means that hormones are only able to pass through the cell membrane of certain cells and organs, and not through the cell membrane of other cells and organs. The cell membrane of the target cells and organs are specialized to allow the hormones to pass through, while the cell membrane of other cells and organs are not specialized and are therefore impermeable to the hormones. This is due to the presence of receptor proteins on the cell membrane of the target cells and organs. These receptor proteins can bind to the hormones and facilitate their entry into the cell. Since these receptor proteins are not present on the cell membrane of other cells and organs, the hormones are unable to bind to them and therefore unable to cross the cell membrane. In addition, hormones can be broken down by enzymes in the bloodstream, which means they canβt reach their target cells and organs if they are exposed to the enzymes. This further ensures that hormones only affect the target cells and organs, and not other cells and organs. In summary, hormones in the bloodstream are able to affect target cells and organs and not other cells and organs because of selective permeability and the presence of receptor proteins on the cell membrane of the target cells and organs. Other cells and organs do not have these specialized receptor proteins and therefore cannot be affected by the hormones.
hormones
Because they only activate target cells that have special receptors that only work when that specific hormone attaches to it.
Most hormones reach target cells by blood . Some types of hormones reach target cells by other ways e.g. pheromones via air ; local hormones via diffusion etc .
Hormones
I suppose that you think to oxygen.Oxygen is indispensable for life.
Hormones are not cells but chemicals released by cells to affect changes in other cells.
Hormones are chemicals released by cells, which then affect other cells in the body. No, they cannot be seen, as they are chemicals.
Minerals in the soil!
It could change your behavior and other physical things.
Hormones in the bloodstream are able to affect target cells/organs and not other cells/organs because of selective permeability. This means that hormones are only able to pass through the cell membrane of certain cells and organs, and not through the cell membrane of other cells and organs. The cell membrane of the target cells and organs are specialized to allow the hormones to pass through, while the cell membrane of other cells and organs are not specialized and are therefore impermeable to the hormones. This is due to the presence of receptor proteins on the cell membrane of the target cells and organs. These receptor proteins can bind to the hormones and facilitate their entry into the cell. Since these receptor proteins are not present on the cell membrane of other cells and organs, the hormones are unable to bind to them and therefore unable to cross the cell membrane. In addition, hormones can be broken down by enzymes in the bloodstream, which means they canβt reach their target cells and organs if they are exposed to the enzymes. This further ensures that hormones only affect the target cells and organs, and not other cells and organs. In summary, hormones in the bloodstream are able to affect target cells and organs and not other cells and organs because of selective permeability and the presence of receptor proteins on the cell membrane of the target cells and organs. Other cells and organs do not have these specialized receptor proteins and therefore cannot be affected by the hormones.
Because they only activate target cells that have special receptors that only work when that specific hormone attaches to it.
hormones
Because they only activate target cells that have special receptors that only work when that specific hormone attaches to it.
Hormones i forgot the other ones
There are many hormones secreted by the endocrine system. The hypothalamus secretes releasing and inhibiting hormones that affect the production and release of hormones from other glands, mainly the pituitary gland. Here is a partial list.Growth hormoneLutiening hormoneProlactinAdrenocorticotopic hormoneAndidiuretic hormoneOxytocinThyroxineTriiodothyronineFollicle stimulating hormoneMelatoninThymosinThymopoetin