1.4 Cell Structure and Function - Pt. 1 Flashcards
Communication between cells is accomplished mainly by…
Chemical Means
Types of signaling that can occur between cells or organisms…
- Direct
- Local
- Long Distance
Involves physical contact between cells and organisms…
Direct
Released into one part of the body and travels to another part of the body…
Hormones
Chemical mate released in one part of the body to travel to another part of the body…
Pheromones
Analogous for talking on the phone…
Signal Transduction Pathway
Three parts to the Signal Transduction Pathway…
- Reception
- Transduction
- Response
(Chemical blinding to membrane receptor protein) Like a phone ringing - you only know the phone is ringing, not anything about the actual call, you need to change to ringing into something you can understand
Reception
(means to change of carry through) a series of steps in the changing of the signal to something the cell can understand at the nucleus or in the cytoplasm…
Transduction
It’s like picking up the phone - pick up phone, move phone to mouth, say hello, wait for convo. While the convo is happening, I understand what the message is that was initiated by the ringing of the phone
Transduction
Usually involves making something or turning it on/off an enzymatic process. Usually involves DNA transcription and translation or enzymes inside the cell…
Response
Now that you understand the message from the phone, hang up the phone and do what I was asked to do…
Response
Actual single molecule…
Ligand
Binds to the receptor protein on cell membrane or inside cell…
Ligand
When a ligand connects a protein, the attachment can cause…
Conformational shape hazard
