Fluidity Study guides, Class notes & Summaries

F&E Balance Test 2 Questions & Answers 2024 *Intracellular Fluid - (2/3rds of body fluid, most stable here). *Extracellular Fluid - (Intravascular & Interstitial Fluid, water is lost easily when here due to increased fluidity. - ANSWERSWhat are the two major fluid compartments in the body? Intravascular Fluid - ANSWERSExtracellular fluid type 1: The plasma and serum portions of the blood (~1/20th of body fluid). Interstitial Fluid - ANSWERSExtracellular fluid type 2. This is fluid fo...

acanthocyte correct answer: "thorn cells"/spur cells - small spherical cells with thornlike projections - have no central pallor; have membranes with free cholesterol accumulating preferentially in outer bilayer, leading to decreased fluidity anemia correct answer: insufficient number of RBCs, characterized by inadequate tissue oxygenation ankyrin correct answer: large protein serving as high-affinity binding site for attachment of spectrin to inner membrane surface - binds to spec...

Which energy-producing process is thought to have come first during cellular evolution? correct answers Glycolysis The initial importance of a membrane enclosing self-replicating RNA molecules and associated proteins was that it correct answers maintained these molecules as a unit capable of reproduction and evolution. Mitochondria and chloroplasts resemble bacteria in that they correct answers have their own DNA, have their own ribosomes, reproduce by simple division into two. Which of...

BIOL 1306 Test 1 - Questions and Answers Molecules which are amphipathic, means they __________. are composed of a hydrophilic (polar) region and a hydrophobic (non-polar) region. Most chemical reactions of the body occur in _______. Water Blood NaCl the stomach None of the above The biochemical properties of phospholipids affect the fluidity of the plasma membrane. All the following factors contribute to making the plasma membrane more fluid EXCEPT Short hydrocarbon tails. The presence of dou...

CLEP NATURAL SCIENCES: PHYSICS/ EXAM REVIEW QUESTIONS AND ANSWERS, 100% ACCURATE/ Matter - -Anything that has mass and occupies space (has volume) 4 states: solid, liquid, gas, plasma What causes different states of matter? - -Differences in distances and angles between molecules or atoms, results in differences in energy that binds them. Solid: rigid, strong bonds Liquids: move around, weak bonds Gas: move independently, are far apart, do not have bonds Plasma: Ionized gas, electrons ...

Butter has ___________ which supports intestinal cells - correct answer Butyric Acid Heads of a Lipid Bilayer are ________ meanwhile the tails of a Lipid Bilayer are _________ - correct answer Heads - hydrophobic Tails - Hydrophilic Lipid Bilayer - correct answer provides the basic structure within which proteins are free to diffuse Cholesterol - correct answer intercalates between lipid molecules and affects membrane fluidity/stability What are the major roles of biological lipids...

BIOL1P91 Final Exam Prep test Questions With Verified Answers What are the 4 functions of the cell membrane 1. seperating internal and external environment 2. regulating traffic in the cell 3. Holding contents of the cell in place 4. creates interface for cellular activity What is the structure of the cell membrane - phospholipid bilayer - integral and peripheral membrane proteins - carbohydrate bonded to proteins - fluid mosaic model - asymmetrical leaflets fluid mosaic model of...

A runner has depleted all the oxygen available for muscle energy. Which of the following will facilitate his continued muscle performance? - Answer: Anaerobic glycolysis What causes the rapid change in the resting membrane potential that initiates an action potential? - Answer: Sodium gates open, and sodium rushes into the cell, changing the membrane potential from negative to positive. A 12-year-old male is diagnosed with Klinefelter syndrome. His karyotype would reveal which of the follo...

What are some membrane properties? correct answer: - Composed of lipid bilayer that are impermeable to polar or charged molecules. - Hydrophobic effect drives membrane formation of amphipathic molecules - Membranes are asymmetric and composed of lipids and proteins - Membrane proteins play key roles in transport of molecules and transduction of info across the membrane What are essential membrane functions? correct answer: - Act as a barrier regulating import and export of essential mo...

1. What type of oil or grease would be used in a heavy load situation? a. Synthetic oil b. Extreme pressure lubricant c. Mineral oil d. Any hydraulic fluid b. Extreme pressure lubricant 2. The most common measurement of kinematic viscosity is what? a. Viscosity b. Centistokes c. Viscosity index d. Flash point b. Centistokes 3. When grease moves in a bearing, it tends to shear. This is known as: a. Pour point b. Viscosity index c. Directional fluidity