Examlex
Explain the differences between channel proteins and carrier proteins and why cells need both.
Second Messengers
Intracellular signaling molecules released by a cell in response to exposure to extracellular signaling molecules, amplifying the signal within the target cell.
Paracrine Regulation
Paracrine regulation involves the signaling of cells to nearby cells by releasing chemical messengers, influencing the behavior of those nearby cells without needing to enter the bloodstream.
Nearby Target Cells
Cells that are located close to the source of a signal molecule and are directly affected by it, often in the context of cellular communication.
Neuropeptide
One of a group of peptides produced in neural tissue that function as signaling molecules; many are neurotransmitters.
Q33: enzymes<br>A)transfer signals from the extracellular environment to
Q43: What is the pH of a 0.005
Q49: all lobes<br>A)primary somatic sensory cortex<br>B)visual cortex<br>C)auditory cortex<br>D)association
Q56: Regulatory-protein transcription factors bind to _ and
Q59: If the graded potential increases in amplitude,
Q79: Referring to Figure 3.1, which letter represents
Q95: The availability of _ determines if pyruvate
Q95: The term secretion refers to<br>A) the process
Q108: Define the law of mass action.
Q127: Explain the steps that occur in a