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Mitosis

QuestionAnswer
What does cell communication require? ligand and receptor protein and signal transduction
Yes
Ligands can bind to any receptor protein?
What are the 4 mechanisms for communication? direct signaling, paracrine signaling, endocrine signaling, and synaptic signaling
Direct signaling is important in early development? Yes
Where does direct signaling occur? Plasma membrane
Where is paracrine signaling important? early development and immune system
How does paracrine signaling move? Through fluid
Who uses endocrine signaling? Humans and plants
Is endocrine signaling intercellular communication? Yes
Why are endocrine signals long lived? They have to travel throughout the entire body
What is one negative thing that occurs during endocrine signaling? The hormones that are released from that cell, affect other cells throughout the body
During synaptic signaling, nerve cells release the signal(neurotransmitter) which binds to what? Receptors on nearby cells
Yes depending on where it is
What is signal transduction? The events within the cell that occur in response to a signal
Enzyme that removes phosphate from proteins Phosphatetase
Enzyme that adds phosphate groups from add ATP to proteins Kinase
Can be defined by their location and chemical nature of ligands Receptor Types
Where are intracellular receptors found?
Where are cell surface/membrane receptors found? Outside of the cell
What are the 3 subclasses of membrane transporters? Chemically gated ion channels, enzymatic receptors, and g protein-coupled
What do bacteria divide by? Binary fission
Where does replication take place? Begins at the origin of replication and proceeds bidirectionally to site of termination
Yes
Created by: ammack65
 

 



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