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Receptors and Messengers

by Kevin Ahern, PhD
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    About the Lecture

    The lecture Receptors and Messengers by Kevin Ahern, PhD is from the course Hormones and Signal Transduction. It contains the following chapters:

    • Receptors
    • Receipt of Message
    • Second Messengers

    Included Quiz Questions

    1. They change shape on binding to their hormone
    2. They are always membrane bound
    3. They change shape on binding to another receptor
    4. All of the answers are true
    5. None of the answers are true
    1. They are generally small molecules
    2. They covalently modify proteins
    3. They carry messages out of cells
    4. All of the answers are true
    5. None of the answers are true
    1. Deoxyribose nucleic acid
    2. Inositol-1, 4, 5-triphosphate
    3. cAMP
    4. cGMP
    5. Ca+2 ions
    1. Covalent modifications of protein molecules
    2. Hydration of protein molecules
    3. Dehydration of protein molecules
    4. Conversion of triple bonds to double bonds between the two carbon atoms of a protein molecule
    5. Conversion of triple bonds to single bonds between the two carbon atoms of a protein molecule
    1. An activated phospholipase C enzyme catalyzes the breakdown of PIP2 molecule to IP3 and DAG
    2. Phospholipase C protein acts as a second messenger which directly stimulates the gene expressions by binding with the DNA molecules
    3. Phospholipase C protein acts a second messenger molecule for the synthesis of PIP2 from DAG and IP3
    4. Phospholipase C acts as an energy source for the transduction of extracellular response towards the Golgi apparatus

    Author of lecture Receptors and Messengers

     Kevin Ahern, PhD

    Kevin Ahern, PhD


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    Very good!
    By Laura P. on 11. May 2017 for Receptors and Messengers

    Thank you Dr. Kevin Ahern!!! Sometimes you speak so fast, but these time was perfect :)