bios 225 Exam 1 - chemical characteristics. 2. Homeostasis –Answer

EXAM ELABORATIONS Aug 29, 2025
Loading...

Loading document viewer...

Page 0 of 0

Document Text

SUBSCRIBE

bios 225 Exam 1

  • Cell Physiology
  • –Answer The study of the functions, properties, and behaviors of cells, including their physical and chemical characteristics.

  • Homeostasis
  • –Answer maintaining a stable environment despite changes through differ- ent mechanism (MULTIPLE factors)

  • Negative Feedback
  • –Answer mechanism that brings everything back to set point and maintains stability ex. regulating body temp and blood sugar levels

  • Positive Feedback
  • –Answer mechanism that amplifies the effects of a change instead of reversing it.ex. blood clotting and releasing oxytocin during childbirth which stimulates muscle contractions and make childbirth quicker

  • Feed-Forward
  • –Answer An anticipatory mechanism that prepares the body for a change ex. such as salivation in response to the sight or smell of food, belly growling before lunch.

  • Acclimatization
  • –Answer process where organisms adjust to ONLY ONE factor through temporary physiological changes.ex. sweating 1 / 2

SUBSCRIBE

  • Phenotype
  • –Answer The observable characteristics of an organism

  • Regulator
  • –Answer organism that maintains their internal conditions through mechanisms even though external environmental factors change

  • Conformer
  • –Answer organisms that change their internal conditions when the environ- ment changes

  • Physiological Regulation
  • –Answer maintaining bodily control when the external condi- tions change

  • Adaptation
  • –Answer changes in organism over time that help them better adapt to an environment and survive

  • are humans/ animals regulators or conformers?
  • –Answer regulators

  • Organic molecules that compose cells
  • –Answer

  • carbohydrates
  • lipids
  • proteins
  • nucleic acids
  • what does the plasma membrane do in a cell?
  • –Answer maintains things that go inside the cell whether they should be and what goes outside the cell out. Basically maintains composition if intra- and extracellular fluids.

  • / 2

Download Document

Buy This Document

$30.00 One-time purchase
Buy Now
  • Full access to this document
  • Download anytime
  • No expiration

Document Information

Category: EXAM ELABORATIONS
Added: Aug 29, 2025
Description:

SUBSCRIBE bios 225 Exam 1 1. Cell Physiology –Answer The study of the functions, properties, and behaviors of cells, including their physical and chemical characteristics. 2. Homeostasis –Answe...

Get this document $30.00