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How do hormones send messages?
Hormones are chemical messengers produced by endocrine glands and released into the bloodstream. They travel through the body and bind to specific receptors on target cells, triggering a response. This can influence processes such as growth and development, metabolism, and stress response.
What determines if a cell is a target cell for a particular hormone?
If the signal molecule is able to fit through the cell membrane, it will bind to an intracellular receptor, if it cannot pass through the cell membrane, it will bind to an external membrane-surface receptor.
What is process in which glucose and oxygen react in cells to release energy is called?
The process in which glucose and oxygen react in cells to release energy is called cellular respiration. It involves breaking down glucose molecules into carbon dioxide, water, and energy in the form of ATP (adenosine triphosphate).
Glycoproteins that react specifically with the chemical structures in the antigen that induced them are called what?
Glycoproteins that react specifically with the chemical structures in the antigen that induced them are called antibodies. Antibodies are produced by the immune system in response to the presence of antigens, and they bind to these specific structures to neutralize or mark them for destruction by other immune cells.
What is the fight or flight hormoneWhy is it known in this way?
The fight or flight hormone is adrenaline, also known as epinephrine. It is called this way because it prepares the body to either confront the threat (fight) or flee from it (flight) by increasing heart rate, blood flow to muscles, and energy availability. This response helps the body react quickly in dangerous situations.
What does the thymus secrete to stimulate T lymphocytes?
Im afraid that your question is quite unclear. If you are refering to how the thymus turns pre-T Cells into Naieve T-cells, this is not a process mediated by a secretion. Its a process called positive and negative selection (or central tollerance) mediated by surface molecules called MHCs present on thymic cells and Dendritic Cells, which eliminates those cells that either do not react with these MHCs or react too strongly. I hope this answers your question.............
If hormones travel in the bloodstream why don't all tissues respond to all hormones?
The tissue/cells need a receptor that can interact with that hormone in order to respond to it. This receptor may be on a cell membrane, inside the cell, or even inside the nucleus (in the case of steroid hormones, for example.) Like many organic chemicals in the body, they have structures which result in certain parts of the molecule being presented to cells (active sites). Because cells and tissue have different structures as well, only certain cells will react to the presence of a particular hormone. Many hormones have antagonist hormones that cause an opposite effect. This helps control negative feedback when the target organ's hormone levels are too high.
A hormone which enables the body to react quickly?
Epinephrine (called adrenaline in non-US English speaking countries)
What is the idea that offenders react selectively to the characteristics of particular crimes called?
offense-specific
What is a word for a chemical in the body that causes you to react very quickly?
There is a hormone called epinephrine, also known as adrenalin. This may be what you are wondering about.
How do hormones send messages?
Hormones are chemical messengers produced by endocrine glands and released into the bloodstream. They travel through the body and bind to specific receptors on target cells, triggering a response. This can influence processes such as growth and development, metabolism, and stress response.
The clumping of cells that occurs as a result of an antigen-antibody reaction is called?
When an antigen and antibody react it causes cells to clump together. The term used to describe the clumping of cells is called agglutination.
What mixtures that can react with acids or bases to keep the pH within a particular range?
These substances are called buffers.
What hormone helps you react quickly in dangerous situation?
adrenaline
What is the hormone that enables the body to react quickly?
the thyroid gland
Which hormone helps us to react to fight or flight?
adrenaline.
What determines if a cell is a target cell for a particular hormone?
If the signal molecule is able to fit through the cell membrane, it will bind to an intracellular receptor, if it cannot pass through the cell membrane, it will bind to an external membrane-surface receptor.
