UH BIOL 1361 - Hormones and the Reproductive System (5 pages)

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Hormones and the Reproductive System



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Hormones and the Reproductive System

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The 25th lecture that goes over the role of hormones and also starts the hormones of the reproductive system.


Lecture number:
25
Pages:
5
Type:
Lecture Note
School:
University of Houston
Course:
Biol 1361 - Intro to Biological Science
Edition:
1

Unformatted text preview:

BIOL 1361 1nd Edition Lecture 25 Outline of Last Lecture I Synapse II At Chemical Synapse III Cell Communications and Hormones IV Hormones V Signaling Modes VI Pheromones VII Protein Secretion VIII Hormonal Regulation of Target Cells IX Water Soluble hydrophilic Hormones X Signaling Pathway XI Figure 5 25 XII Signal Transduction Outline of Current Lecture I Lipid Soluble Hormones II Compare and Contrast Receptor Types III Hormonal Regulation of Gametogenesis in Vertebrates IV Hormonal Regulation of Gametogenesis in Vertebrates V Hormones and Spermatogenesis These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute VI Role of Hormones Current Lecture 40 will be comprehensive 60 will be from the Unit 3 material I Lipid Soluble Hormones a Structure i Steroids lipids derived from cholesterol ii Thyroid Hormones tyrosine I b Signaling Pathway i Intracellular receptor 1 Receptors are inside the nucleus 2 The hormone will enter the cell to interact with the receptor 3 Receptors then form a pair 4 Then the proteins can move to the chromosomes to interact with the DNA to turn on process of transcription c Gene Transcription i Lipid soluble hormones cross cell membrane by simple diffusion ii In cytosol hormone binds to receptor iii Hormone receptor complexes form DIMERS before activating gene transcription d Signal Inactivation i Enzymes in liver 1 Break down hormones 2 Add sugars OH or SO4 groups to increase water solubility ii Kidney excretes inactive molecules II Compare and Contrast Receptor Types Plasma Membrane Receptor Intracellular Receptor Hormone Solubility water of lipid Location of Hormone Interaction with Cell Signal Transduction Mechanism III Endocrine Axis a Hypothalamus Pituitary Endocrine Gland Target Tissue flow chart b Regulates metabolism growth stress response reproduction IV Hormonal Regulation of Gametogenesis in Vertebrates a Reproductive endocrine axis i



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