UT Arlington BIOL 3442 - Exam 1 Study Guide (6 pages)

Previewing pages 1, 2 of 6 page document View the full content.
View Full Document

Exam 1 Study Guide



Previewing pages 1, 2 of actual document.

View the full content.
View Full Document
View Full Document

Exam 1 Study Guide

177 views

homeostasis, cell physiology, membrane physiology, neuron physiology


Pages:
6
Type:
Study Guide
School:
University of Texas at Arlington
Course:
Biol 3442 - Principles of Animal Physiology

Unformatted text preview:

BIOL 3442 a II III 1nd Edition Exam 1 Study Guide Lectures 1 7 Animal Physiology Exam 1 Homeostasis a Stability balance equilibrium b Regulation i Receptor receives info integration ii Control center receives processes info from receptor iii Effectors respond to command from control center by increasing or decreasing stimuli c Feedback systems i Positive FB 1 System response to amplify the change in the variable 2 Destabilizing effect so does not result in homeostasis 3 Usually a desirable end result ii Negative FB 1 Responds to reverse direction of charge 2 Antagonistic control 3 Usually to bring body back to homeostasis optimal iii Reset system 1 Negative FB system in which a set point is adjusted 2 Can be temporary permanently or cyclic 3 Examples a Temporary fever b Permanently sexual maturity c Cyclic annual hibernation iv Levels of homeostasis 1 Cellular cells control own ion concentration volume internal energy 2 Intrinsic tissues organs self serving for the particular ogan 3 Extrinsic external to the organ can override cellular intrinsic 4 Coordinated by NS endocrine system sometimes immune system 5 Control serve organism as a whole v Animals either 1 Control homeostasis strictly 2 Others avoid disturbances behaviorally 3 Or are conformers and do not adjust to change in environmental conditions vi Physiological mechanisms often depend on body size d Krogh Principle i For a loarge number of problems there will be some similar of choice or a few such animals on which it can be most conveniently studied e Homeostasis systems i Master systems 1 Nervous system IV V 2 Endocrine system ii Integumentary iii Muscle iv Cardiovascular v Respiratory vi Digestive vii Urinary viii Reproductive Universal life components a Water needed for life b Carbohydrates chitin c Lipids cell membrane d Amino acids proteins polypeptides enzymes e Nucleotides subunit of nucleic acids RNA DNA Structure of Eukaryotic cells a Nucleus cells control center i Nuclear DNA ii Site of



View Full Document

Access the best Study Guides, Lecture Notes and Practice Exams

Loading Unlocking...
Login

Join to view Exam 1 Study Guide and access 3M+ class-specific study document.

or
We will never post anything without your permission.
Don't have an account?
Sign Up

Join to view Exam 1 Study Guide and access 3M+ class-specific study document.

or

By creating an account you agree to our Privacy Policy and Terms Of Use

Already a member?