any cell that has a specific receptor for an antigen or antibody or hormone or drug, or is the focus of contact by a virus or phagocyte or nerve fiber etc.

substances that bind to receptors.

a biochemical process that involves the addition of phosphate to an organic compound.

proteins imbedded in the cell membrane.

molecules that relay signals received at receptors on the cell surface — such as the arrival of protein hormones, growth factors, etc.

an increase in the intensity of a signal through networks of intracellular reactions

the transmission of molecular signals from a cell's exterior to its interior.

an action or movement due to the application of a stimulus.

a response within a system (molecule, cell, organism, or population) that influences the continued activity or productivity of that system.

when the product of a reaction leads to a decrease in that reaction.

a process in which the end products of an action cause more of that action to occur in a feedback loop.

involves one parent and produces offspring that are genetically identical to each other and to the parent.

the series of events that take place in a cell that cause it to divide into two daughter cells.

the resting phase between successive mitotic divisions of a cell, or between the first and second divisions of meiosis.

a part of the cell cycle in which replicated chromosomes are separated into two new nuclei.

an abnormal growth of cells which tend to proliferate in an uncontrolled way and, in some cases, to metastasize (spread).

a family of proteins that controls the progression of a cell through the cell cycle by activating cyclin-dependent kinase (CDK) enzymes or group of enzymes required for synthesis of cell cycle.

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Unit 4 - Islas

Term	Definition
Target Cell	any cell that has a specific receptor for an antigen or antibody or hormone or drug, or is the focus of contact by a virus or phagocyte or nerve fiber etc.
Ligand	substances that bind to receptors.
Phosphorylation	a biochemical process that involves the addition of phosphate to an organic compound.
Receptor Protein	proteins imbedded in the cell membrane.
Secondary Messenger	molecules that relay signals received at receptors on the cell surface — such as the arrival of protein hormones, growth factors, etc.
Signal Amplification	an increase in the intensity of a signal through networks of intracellular reactions
Signal Transduction	the transmission of molecular signals from a cell's exterior to its interior.
Response	an action or movement due to the application of a stimulus.
Feedback	a response within a system (molecule, cell, organism, or population) that influences the continued activity or productivity of that system.
Negative Feedback	when the product of a reaction leads to a decrease in that reaction.
Positive Feedback	a process in which the end products of an action cause more of that action to occur in a feedback loop.
Asexual Reproduction	involves one parent and produces offspring that are genetically identical to each other and to the parent.
Cell Cycle	the series of events that take place in a cell that cause it to divide into two daughter cells.
Interphase	the resting phase between successive mitotic divisions of a cell, or between the first and second divisions of meiosis.
Mitosis	a part of the cell cycle in which replicated chromosomes are separated into two new nuclei.
Cancer	an abnormal growth of cells which tend to proliferate in an uncontrolled way and, in some cases, to metastasize (spread).
Cyclin	a family of proteins that controls the progression of a cell through the cell cycle by activating cyclin-dependent kinase (CDK) enzymes or group of enzymes required for synthesis of cell cycle.

Created by: giselleislas07

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