PLEASE ANSWER 1)List the four essential elements involved in communication betwe
ID: 214934 • Letter: P
Question
PLEASE ANSWER
1)List the four essential elements involved in communication between all cells whether prokaryotic or eukaryotic.
2)Describe two ways the response of a cell to a signal can be terminated.
3)BLANK secreted by cells in an embryo work over short distances to influence the kinds of cells their neighbors will become. They help shape the structure of the adult's tissues, organs, and limbs.
4)To trigger a muscle to contract, a neuron sends a signal using the neurotransmitter BLANK, which binds to its ligand-gated ion channel receptor on a muscle cell. This opens the channel and BLANK rushes into the muscle cell, which changes the membrane potential, activating the contractile machinery of the cell, causing it to contract.
5)Once a signal molecule binds to a receptor, the receptor is BLANK, and then transmits the message through the cytoplasm, often by intracellular signaling pathways in a process called BLANK . Next, there is a , which can take on many forms from activating enzymes to signaling the cell to divide. Finally, the signal is BLANK so that new signals can be received.
Explanation / Answer
Answer:
1) List the four essential elements involved in communication between all cells whether prokaryotic or eukaryotic.
Basic mechanisms of cell-cell communication involves 1) Direct contact of cells 2) Autocrine and Paracrine signaling (e.g. growth factors) 3) Endocrine signaling and 4) Synaptic signaling (e.g. neurotransmitters)
2) Describe two ways the response of a cell to a signal can be terminated.
3) Growth Factors secreted by cells in an embryo work over short distances to influence the kinds of cells their neighbors will become. They help shape the structure of the adult's tissues, organs, and limbs.
4)To trigger a muscle to contract, a neuron sends a signal using the neurotransmitter acetylcholine, which binds to its ligand-gated ion channel receptor on a muscle cell. This opens the channel and sodium ion rushes into the muscle cell, which changes the membrane potential, activating the contractile machinery of the cell, causing it to contract.
5) Once a signal molecule binds to a receptor, the receptor is activated and then transmits the message through the cytoplasm, often by intracellular signaling pathways in a process called signal transduction . Next, there is a cellular response, which can take on many forms from activating enzymes to signaling the cell to divide. Finally, the signal is terminated so that new signals can be received.
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