11 Questions
What is the process of converting extracellular signals into cellular responses known as?
Signal transduction
Which type of receptors are involved in the transduction of ligands binding to the cytoplasm?
Intracellular receptors
What is the main function of hormones, neurotransmitters, and growth signals in cellular communication?
Signal transduction
What is the intended learning outcome related to the distribution of total body fluids and the percentage of water in the body?
Identify the volume of water in the body
What does signal transduction aim to achieve in cellular responses?
Convert extracellular signals into cellular responses
What is the process of cells sending information to each other through many key chemical signals known as?
Cell intercommunication
What is the percentage of water in the body?
60%
Which chemical messengers include amines, amino acids, steroids, and polypeptides?
Intracellular signaling molecules
What do second messengers do inside cells?
Transmit signals from a receptor to a target cell
How are signals typically mediated when protein chemical signals interact with specific cell-surface receptors?
By changing concentrations of several intracellular messengers
What do lipophilic signal molecules do to activate plasma membrane-bound receptors?
Diffuse through the lipid bilayer and activate cytoplasmic or nuclear receptors
Test your knowledge on cellular signal transduction mechanisms, including membrane-bound and cytoplasmic receptors, as well as the transduction of ligand binding. This quiz is based on the lecture by Prof. Dr. Moshira Rateb, MD, MBA, from the Medicine and Surgery programme at BMS 131 gu.edu.eg.
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