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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 .
Wiki User
∙ 9y ago
Wiki User
∙ 14y agoHormones are fat soluble. They will be absorbed through the cell wall by diffusion. There is a greater concentration outside the cell, and smaller concentration inside the cell.
Wiki User
∙ 10y agoHormones are probably destroyed by liver cells as and when they pass through liver sinusoids.
Wiki User
∙ 14y agoexocytosis
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What hormones can enter the target cell and bind to receptors in the nucleus?
steriod hormones - since they are lipophilic and fusses with the membrane to enter teh cell.
Why do protein hormones need second messenger to activate target cell?
Protein hormones that need second messenger to activate a target cell are hydrophobic. They therefore need these second messengers in order to penetrate into the cell membrane. steroid hormones are hydrophilic so they do not need second messengers.
Why does most amino acid based hormones bind to cell membrane receptors?
This is because they do not have the ability to pass through the membrane, unlike steroid hormones. Steroid hormones bind inside the cell cytoplasm before docking onto the receptors.
What are three non-living substances in a cell?
crystals and hormones
Why is a second messenger not necessary in a steroid hormone?
Steroid hormones act in the transcriptional level in the nucleus of a cell, due to their ability to travel through cell membranes (hydrophillic). Second messengers are necessary for hormones that cannot penetrate cell membranes (peptides).
What packages proteins hormones and enzymes in a cell?
what packages protein hormones and enzymes in a cell
What hormones can enter the target cell and bind to receptors in the nucleus?
steriod hormones - since they are lipophilic and fusses with the membrane to enter teh cell.
What do you call the cell that accepts specific hormones?
Target cell
What type of cell-to-cell signaling to hormones exert?
Endocrine
What carries messages out of a cell?
No cell carries messages out of a cell. Hormones are considered to be messengers and as well as some proteins.
What are the functions of hormones in the body?
Hormones are called "chemical messengers". They carry information to cells in a way similar to nerve impulses. The nerve impulses are cell to cell. Hormones direct activities.
What are thyroid hormones used for?
Thyroid hormones are necessary for regulating cell metabolism and growth.
What is the term for hormones that are lipid-soluble and can pass through cell membranes?
steroid hormones
How does the cell membrane regulate what enters and leaves the cell membrane?
Cell membrane have proteins embedded in them that act as channels for things to enter and leave the cell. Furthermore, the fact that the membrane is non-polar will block any polar molecules from entering but will allow non-polar molecules such as hormones to enter.
What type of hormones bind to receptors located on cell membrane?
Water-soluble hormones. Insulin and epinephrine
Which class of hormones is not stored in the secretory cell after being synthesized?
peptide hormones and catecholamines (epinephrine and norepinephrine)
What detemines how hormones attach to the surface of a cell?
uncategorized
