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Study sets matching "chapter 9 cells communication"

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Study sets matching "chapter 9 cells communication"

36 terms
Chapter 9 | Cell Communication
Cell Communication-
Signals-
Why do cells need to respond to signals?
5 types of cell signaling:
Is the process of cells detecting and responding to signals i…
Are agents that influence the properties of cells. They affec…
1) They need to respond to a changing environment.... 2) Cells…
1) Direct intercellular signaling... 2) Contact-dependent signa…
Cell Communication-
Is the process of cells detecting and responding to signals i…
Signals-
Are agents that influence the properties of cells. They affec…
29 terms
Chapter 9: Cell Communication
adenylyl cyclase
amplification
apoptosis
biofilm
An enzyme that converts ATP to cyclic AMP in response to a si…
The strengthening of stimulus energy during transduction.
A program of controlled cell suicide, which is brought about…
A surface-coating colony of one or more species of prokaryote…
adenylyl cyclase
An enzyme that converts ATP to cyclic AMP in response to a si…
amplification
The strengthening of stimulus energy during transduction.
46 terms
Chapter 9: Cell Communications
Effective signalling requires a signal…
Signalling is defined by the distance…
This type of communication uses cells…
In this type of Communication, signal…
ligand; receptor protein... signal transduction
1. Direct Contact... 2. Paracrine Signaling... 3 Endocrine Signalin…
Direct Contact
Paracrine Signaling
Effective signalling requires a signal…
ligand; receptor protein... signal transduction
Signalling is defined by the distance…
1. Direct Contact... 2. Paracrine Signaling... 3 Endocrine Signalin…
49 terms
Chapter 9: Cell Communication
Apoptosis
Cell Communication
Signal
Receptor
Programmed cel death to maintain a good number of cells in ou…
Process of cells that detect, interpret, and respond to signa…
agent that influence in the properties of the cell; molecules…
protein that changes shapes when interacts with signal that l…
Apoptosis
Programmed cel death to maintain a good number of cells in ou…
Cell Communication
Process of cells that detect, interpret, and respond to signa…
36 terms
Chapter 9 | Cell Communication
Cell Communication-
Signals-
Why do cells need to respond to signals?
5 types of cell signaling:
Is the process of cells detecting and responding to signals i…
Are agents that influence the properties of cells. They affec…
1) They need to respond to a changing environment.... 2) Cells…
1) Direct intercellular signaling... 2) Contact-dependent signa…
Cell Communication-
Is the process of cells detecting and responding to signals i…
Signals-
Are agents that influence the properties of cells. They affec…
29 terms
Chapter 9 | Cell Communication 1
Cell Communication-
Signals-
Why do cells need to respond to signals?
5 types of cell signaling:
Is the process of cells detecting and responding to signals i…
Are agents that influence the properties of cells. They affec…
1) They need to respond to a changing environment.... 2) Cells…
1) Direct intercellular signaling... 2) Contact-dependent signa…
Cell Communication-
Is the process of cells detecting and responding to signals i…
Signals-
Are agents that influence the properties of cells. They affec…
14 terms
Chapter 9 - Cell Communication
3 general stages of most signal transd…
Examples of target proteins that can b…
Enzyme-linked Receptor
Protein kinase adds what chemical grou…
-Receptor activation: signaling molecule binds to the recepto…
-Transcription factors... -Enzymes
-One that has enzyme activity following activation... -Signaling…
-Phosphate group to alter protein activity... -Some proteins are…
3 general stages of most signal transd…
-Receptor activation: signaling molecule binds to the recepto…
Examples of target proteins that can b…
-Transcription factors... -Enzymes
11 terms
Chapter 9 - Cell communication
Ligand-
Receptor protein-
Paracrine signaling-
Endocrine signaling-
A ligand is an ion or molecule (functional group) that binds…
In biochemistry and pharmacology, a receptor is a protein-mol…
Paracrine signaling is a form of cell-cell communication in w…
Thus, endocrine signaling occurs when endocrine cells release…
Ligand-
A ligand is an ion or molecule (functional group) that binds…
Receptor protein-
In biochemistry and pharmacology, a receptor is a protein-mol…
26 terms
Chapter 9: Cell Communication
Signaling Cell
Signaling Molecule
Receptor Molecule
Responding Cell
The source of the signaling molecule
The carrier of information transmitted when the signaling cel…
The molecule on the responding cell that binds to the signali…
The cell that receives information from the signaling molecule.
Signaling Cell
The source of the signaling molecule
Signaling Molecule
The carrier of information transmitted when the signaling cel…
57 terms
Chapter 9: Cell Communication
cell communication
signals
receptors
Why do cells need to respond to signals
the process of cells detecting and responding to signals in t…
agents that influence the properties of cells... affect the conf…
receive signals and undergo a conformational change... largely p…
1. need to respond to changing environment... ex. glucose acts a…
cell communication
the process of cells detecting and responding to signals in t…
signals
agents that influence the properties of cells... affect the conf…
36 terms
chapter 9- cell communication
cell communication overview
Ligand types
4 basic mechanism for cell communication
Direct contact
it requires: ligand (signaling molecule) and receptor protein…
1. Hydrophobic: diffuse to cell membrane. usually bind with i…
1. Direct contact: Gap junction... 2. Paracrine signaling: betwe…
molecule on the surface of one cell recognized by receptors o…
cell communication overview
it requires: ligand (signaling molecule) and receptor protein…
Ligand types
1. Hydrophobic: diffuse to cell membrane. usually bind with i…
15 terms
Chapter 9 Cell Communication
auxin
direct intercellular signal
contact dependent signal
autocrine signaling
cell to cell communication... intracellular receptors... non direct…
gap juction
auxin
cell to cell communication... intracellular receptors... non direct…
direct intercellular signal
gap juction
21 terms
Chapter 9: Cell Communication
Signaling Cell
Signaling Molecule
Receptor Molecule
Responding Cell
The source of the signaling molecule
The carrier of information transmitted when the signaling mol…
The molecule on the responding cell that brings to the signal…
The cell that receives information from the signaling molecule
Signaling Cell
The source of the signaling molecule
Signaling Molecule
The carrier of information transmitted when the signaling mol…
56 terms
Chapter 9: Cell Communication
reasons for cell communication
signals
auxin
direct intercellular signaling
-respond to changes in environment... -coordinate cellular activ…
-agents that influence the properties of cells... -affect the co…
signaling molecule transmitted from cell to cell and inhibite…
cell junctions allow signaling molecules to pass from one cel…
reasons for cell communication
-respond to changes in environment... -coordinate cellular activ…
signals
-agents that influence the properties of cells... -affect the co…
89 terms
chapter 9: Cell communication
What happens at low population density?
What happens at high cell density?
what are the 4 Essential Elements for…
The signaling cell releases a
the concentration of the signaling peptide is too low to stim…
the concentration of the signaling peptide is high enough to…
Signaling cell... Signaling molecule... Receptor molecule... Receptor…
signaling molecule, which is recognized by the receptor on th…
What happens at low population density?
the concentration of the signaling peptide is too low to stim…
What happens at high cell density?
the concentration of the signaling peptide is high enough to…
12 terms
Chapter 9 cell communication
direct intercelluar signaling
contact-dependent signaling
autocrine signaling
paracrine signaling
touching cell junctions allow signaling molecules to pass thr…
signal bound to one cell and receptor bound to another, must…
signal secreted from cell binds to sell and neighboring cells…
does not affect secreting cell but affects nearby cells, can…
direct intercelluar signaling
touching cell junctions allow signaling molecules to pass thr…
contact-dependent signaling
signal bound to one cell and receptor bound to another, must…
Chapter 9 cell communication
Ligand
Receptor
Signal transduction
Direct contact
A signaling molecule
A protein to which the ligand binds
Turning genes on or off in the cell
Surfaces of cells directly contact each other
Ligand
A signaling molecule
Receptor
A protein to which the ligand binds
43 terms
Chapter 9 - Cell Communication
signal
cellular response
cell-to-cell communication
direct intercellular signaling
agent that can influence the properties of cells... - either sma…
being able to respond to change at the cellular level.... Ex: al…
occurs because of the need for cells to communicate with one…
in multicellular organisms, cells adjacent to each other may…
signal
agent that can influence the properties of cells... - either sma…
cellular response
being able to respond to change at the cellular level.... Ex: al…
30 terms
Chapter 9: Cell Communication
___________: a signaling molecule capa…
The target cell is capable of binding…
Many cell types have receptors for the…
How many different types of signaling?
ligand
receptors
number and type... signal transduction
4
___________: a signaling molecule capa…
ligand
The target cell is capable of binding…
receptors
39 terms
Chapter 9 Cell Communication
what are 2 types of cell signaling?
Epinephrine Responce
What are the 5 stages of cell signalin…
Signal Receptions
Nerve signaling... Metabolic Signaling
mobilization of fuel reserves... (glycogen is broken down to mak…
(signal is released)... Reception... Transduction... Responce... (termina…
a secreted signal is detected by the target cell... specific LIG…
what are 2 types of cell signaling?
Nerve signaling... Metabolic Signaling
Epinephrine Responce
mobilization of fuel reserves... (glycogen is broken down to mak…
34 terms
Chapter 9 Cell Communication
Cell communication
Why is the plasma membrane essential f…
Will a cell be able to survive if it c…
What is one important reason for cell…
Process by which cells detect changes in the environment and…
It acts as a barrier (isolates cell from its surroundings) to…
No
Promote Cell division
Cell communication
Process by which cells detect changes in the environment and…
Why is the plasma membrane essential f…
It acts as a barrier (isolates cell from its surroundings) to…
38 terms
Chapter 9: Cell Communication
one important reason for cell communic…
signals
signals affect
ex) glucose in yeast cells
promote cell division
agents that influence properties of cells
confirmation of a receptor, leading to response in cell
glucose acts as a signal; binds to receptors that alter the c…
one important reason for cell communic…
promote cell division
signals
agents that influence properties of cells
34 terms
Chapter 9: Cell Communication
G-Protein Coupled Receptors
Receptor Kinases
Essential Elements for Communication
Signaling Cell
A family of receptors that often lead to short-term responses…
A family of kinases that are widespread and lead to long-term…
Signaling Cell... Signaling Molecule... Receptor Molecule... Receptor…
The cell that sends the message
G-Protein Coupled Receptors
A family of receptors that often lead to short-term responses…
Receptor Kinases
A family of kinases that are widespread and lead to long-term…
23 terms
Chapter 9 - cell communication
cell signaling
Signal:
Signals are recognized by ____
Receptors are ____ and cause a ____ __…
Involves both incoming and outgoing signals
An agent that can influence the properties of cells
Receptors
Allosteric... Cellular response
cell signaling
Involves both incoming and outgoing signals
Signal:
An agent that can influence the properties of cells
36 terms
Chapter 9. Cell Communication
Ligand
Signal transduction
transcription
Domain that affects the level of gene…
What term is used to describe a signaling molecule?
In cell communication, the conversion of the information conv…
Intracellular receptors usually act by changing gene ________…
The three functional domains of the steroid receptors can be…
Ligand
What term is used to describe a signaling molecule?
Signal transduction
In cell communication, the conversion of the information conv…
21 terms
Chapter 9 Cell Communication
****
Cell-cell recognition
Hormones
Reception
Ligands bind to a receptor
Animal cell communicating by touching
Travel via long distance signaling
Detecting an incoming signal
****
Ligands bind to a receptor
Cell-cell recognition
Animal cell communicating by touching
33 terms
Chapter 9 Cell communication
Adaptive immunity
Adenylyl cyclase
Apoptosis
Autocrine signaling
Response is slow, organismal(systemic), and powerful. Cells f…
The enzyme that converts ATP to cAMP cyclic amp. it is a very…
programmed cell death
cell communication that is inter cellular and extra cellular.…
Adaptive immunity
Response is slow, organismal(systemic), and powerful. Cells f…
Adenylyl cyclase
The enzyme that converts ATP to cAMP cyclic amp. it is a very…
17 terms
Chapter 9: Cell Communication
1) Receptor activation: signali... ng mol…
Common types of cellular proteins that…
An enzyme-linked receptor is one that…
The protein kinase adds a phosphate gr…
What are the three general stages of most signal transduction…
What are examples of target proteins that can be activated (o…
What is an enzyme-linked receptor?
What chemical group does a protein kinase add to its target p…
1) Receptor activation: signali... ng mol…
What are the three general stages of most signal transduction…
Common types of cellular proteins that…
What are examples of target proteins that can be activated (o…
26 terms
Chapter 9: Cell Communication
reasons for cell communication
phototropism
cell communication
direct intercellualr signaling
1. cells need to respond to changing environment (cellular re…
plants grow toward light due to cell communication
involve a cell that produces a signal and a target cell that…
signals pass through cell junction from the cytosol of one ce…
reasons for cell communication
1. cells need to respond to changing environment (cellular re…
phototropism
plants grow toward light due to cell communication
24 terms
Chapter 9 cell communication
cell communication
ways cells communicate
cellular response
cell to cell communication
cell signaling, cells directing and responding to signals in…
detect and respond to signals from their environments and fro…
being able to respond to change at cellular level
cells need to communicate with each other, earliest experimen…
cell communication
cell signaling, cells directing and responding to signals in…
ways cells communicate
detect and respond to signals from their environments and fro…
40 terms
Chapter 9: Cell Communication
apoptosis
autocrine signal
autoinducer
cell-surface receptor
programmed cell death
signal that is sent and received by the same or similar nearb…
signalling molecule secreted by bacteria to communicate with…
cell surface protein that transmits a signal from the exterio…
apoptosis
programmed cell death
autocrine signal
signal that is sent and received by the same or similar nearb…
19 terms
Chapter 9 - cell communication
Communication requires
signal transduction
4 basic mechanisms in communication
Direct contact
-ligand- signaling molecule... -receptor protein- molecule to wh…
converts the information in the signal into the cellular resp…
direct contact, paracrine signaling, endocrine signaling, syn…
-molecules on the surface of one cell are recognized by recep…
Communication requires
-ligand- signaling molecule... -receptor protein- molecule to wh…
signal transduction
converts the information in the signal into the cellular resp…
75 terms
Bio Chapter 9: Cell Communication
signaling pathway
cell signaling overview
cell signaling
3 WAYS CELLS COMMUNICATE WITH EACH OTHER
series of steps from signaling molecule to response
o Signaling allows a cell to respond to changes in its enviro…
system of communication between cells through signaling pathw…
1) direct contact... 2) local signaling... 3) long distance signaling
signaling pathway
series of steps from signaling molecule to response
cell signaling overview
o Signaling allows a cell to respond to changes in its enviro…
23 terms
Chapter 9: Cell Communication
ligand
receptor protein
direct contact, paracrine signaling, e…
direct contact
the signaling molecule
the molecule to which the recepetor binds
There are four basic mechanisms for cellular communication:
molecules on the surface of one cell are recognized by recept…
ligand
the signaling molecule
receptor protein
the molecule to which the recepetor binds
Chapter 9- Cell Communication
ligand
receptor protein
signal transduction
direct contact
signaling molecule
molecule to which the receptor binds / accepts signals and in…
conversion of the information in the signal into a cellular r…
when molecules on the surface of one cell are recognized by r…
ligand
signaling molecule
receptor protein
molecule to which the receptor binds / accepts signals and in…
25 terms
Chapter 9: Cell Communication
Ligand
Receptor protein
Signal transduction
Autocrine signaling
A signaling molecule in effective signaling
cellular protein that binds to a ligand changing in this prot…
Initiated by the interaction of a ligand and receptor protein…
Some cells that actually send signals to themselves, secretin…
Ligand
A signaling molecule in effective signaling
Receptor protein
cellular protein that binds to a ligand changing in this prot…
75 terms
Chapter 9. Cell Communication
cell communication/cell signaling
signal
receptor
Adaptation
the process through which cells can detect and respond to sig…
an agent that can influence the properties of cells
1.a cellular protein that recognizes a signaling molecule... 2.a…
The processes and structures by which organisms adjust to cha…
cell communication/cell signaling
the process through which cells can detect and respond to sig…
signal
an agent that can influence the properties of cells
20 terms
Chapter 9: Cell Communication
apoptosis
autocrine signal
cell-surface receptor
chemical synapse
program cell death
signal that is sent and received by the same or similar nearb…
cell-surface protein that transmits a signal from the exterio…
small space between axon terminals and dendrites of the nerve…
apoptosis
program cell death
autocrine signal
signal that is sent and received by the same or similar nearb…
26 terms
Chapter 9: Cell Communication
apoptosis
autocrine signal
autoinducer
cell-surface receptor
programmed cell death
signal that is sent and received by the same or similar nearb…
signaling molecule secreted by bacteria to communicate with o…
cell-surface protein that transmits a signal from the exterio…
apoptosis
programmed cell death
autocrine signal
signal that is sent and received by the same or similar nearb…
19 terms
Chapter 9. Cell Communication
cell communication
Why do cells communicate?
How do cells communicate?
Direct intercellular signaling
the process of cells detecting and responding to signals in t…
1. to respond to a changing environment. 2. to communicate wi…
direct intercellular signaling... contact dependent signaling... au…
cell junctions allow signaling molecules to pass from one cel…
cell communication
the process of cells detecting and responding to signals in t…
Why do cells communicate?
1. to respond to a changing environment. 2. to communicate wi…
19 terms
Chapter 9: Cell Communication
Ligand
Receptor Protein
Signal Transduction
How do cells determine which signals t…
Signaling molecule
Binds the Ligand
Interaction between ligand and protein; causes conversion of…
The number and kind of receptor molecules determine this
Ligand
Signaling molecule
Receptor Protein
Binds the Ligand
Chapter 9: Cell Communication
Signals
Phototropism
Auxin
Direct Intercellular Signaling
Agents that influence the properties of cells... Affect the conf…
Cell-to-cell communication that leads to plants bending towar…
Accumulates on the dark side of plants and causes the cells t…
Cell junctions allowing signaling molecules to pass from one…
Signals
Agents that influence the properties of cells... Affect the conf…
Phototropism
Cell-to-cell communication that leads to plants bending towar…
21 terms
Chapter 9: Cell Communication
Cell Communication
Signals
Why Do Cells Need to Respond to Signals?
Mechanisms of Cell Communication
cell signaling
agents that influence the cell properties... coordinate activiti…
1. environment is constantly changing... -temperature... -nutrient…
...
Cell Communication
cell signaling
Signals
agents that influence the cell properties... coordinate activiti…
31 terms
Chapter 9: Cell communication
Adaptation
Autocrine signaling
Paracrine signaling
Synaptic signaling
critical to survival
form of cell signaling in which a cell secretes a hormone or…
cell-cell communication in which a cell produces a signal to…
similar to paracrine signaling but there is a special structu…
Adaptation
critical to survival
Autocrine signaling
form of cell signaling in which a cell secretes a hormone or…
29 terms
Chapter 9 Cell communication
Ligand
receptor protein
Direct contact
Paracrine signaling
Signaling the molecule
molecule to which binds to receptor
Cell to cell, molecule move through space in cell, molecules…
Signal released from a cell has an effect on neighboring cell…
Ligand
Signaling the molecule
receptor protein
molecule to which binds to receptor
28 terms
Chapter 9: Cell Communication
Two general ways for cells signaling
Phototropism
5 Ways Cells Communicate
Direct Intercellular Signaling
Responding to changes in environment.... Cell-to-cell communicat…
The phenomenon in which plants grow towards light
Direct Intercellular Signaling.... Contact-Dependent Signaling.…
Cell junctions allow signaling molecules to pass ions and oth…
Two general ways for cells signaling
Responding to changes in environment.... Cell-to-cell communicat…
Phototropism
The phenomenon in which plants grow towards light
Chapter 9: Cell Communication
apoptosis
autocrine signal
cell-surface receptor
chemical synapse
programmed cell death
signal that is sent and received by the same or similar nearb…
cell surface protein that transmits a signal from the exterio…
small space between axon terminals and dendrites of nerve cel…
apoptosis
programmed cell death
autocrine signal
signal that is sent and received by the same or similar nearb…
30 terms
Chapter 9 Cell Communication
Cell communication
Signal
Receptor
cellular response
The process through which cells can detect and respond to sig…
regarding cell communication, an incoming or outgoing agent t…
1. A cellular protein that recognize a signaling molecule.... 2.…
adaption at the cellular level that involves a cell respondin…
Cell communication
The process through which cells can detect and respond to sig…
Signal
regarding cell communication, an incoming or outgoing agent t…
30 terms
Chapter 9 Cell Communication
adenylyl cyclase
ATP (adenosine triphosphate)
autocrine signaling
calcium (as a messenger)
enzyme involved in cAMP signal transduction, where activated…
energy intermediate that is the most common form of energy st…
a signaling molecule is secreted (exocytosed) from signaling…
second messenger, normally pretty low concentrations in cell,…
adenylyl cyclase
enzyme involved in cAMP signal transduction, where activated…
ATP (adenosine triphosphate)
energy intermediate that is the most common form of energy st…
45 terms
Chapter 9: Cell Communication
ligand
receptor protein
Four Basic Mechanisms of Cell Communic…
autocrine signaling
a signaling molecule
a molecule to which a signal binds
1) direct contact... 2) paracrine signaling... 3) endocrine signali…
-cells that send signals to themselves... -secreting signals tha…
ligand
a signaling molecule
receptor protein
a molecule to which a signal binds
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