BIOSC 150 1nd Edition Lecture 13Outline of Last Lecture I. Subcellular structures continuedII. Lysosomes III. Exploring the Smooth EROutline of Current Lecture 1. Subcellular structures continued2. SignalsCurrent Lecture-Signals carry info that changes cell behavior-Transduction pathways are necessary-Cells must have the right receptor to bind-Ligand is = to signal-Signals can cross membranes bind to intracellular receptors-Signal bound intracellular receptors directly elicit a response-Signal amplification occurs at the level of transcription-Many breast cancers are estrogen responsive-Signals that cant cross the membrane bind to receptors-Extracellular signals are transduced to intracellular signals-G proteins couple receptors-G proteins bind to GTP-G proteins transduce-Transmembrane receptors can be enzymeThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a
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