Gradients - Samenvattingen, Aantekeningen en Examens

CHILD-LEVEL MECHANISMS THAT UNDERLIE THE EFFECTS OF SES ON LANGUAGE DEVELOPMENT By child-level mechanisms, we refer to the sociocognitive skills and neural processes underlying language learning, especially those that are affected by SES and that in turn predict individual differences in children’s language outcomes. We discuss Ozlem Ece Demir, Department of Communication Sciences & € Disorders, Northwestern University; Aylin C. Kuntay, Department € of Psychology, Koc
University, ...

BIO 201 Arizona College of Nursing Mid Term Study Guide Rated A+ What key event occurs during prophase of mitosis? During prophase, chromatin condenses into visible chromosomes, and the nuclear envelope begins to break down, setting the stage for chromosome alignment. How do the properties of water support life on Earth? Water’s unique properties, such as high specific heat, cohesion, and solvent abilities, facilitate biochemical reactions and help regulate temperature in living o...

GMS 6440 Problem Set 2 Voltage and Concentration Gradients Exam questions and answers.

Fluid and Electrolytes Correct Answer-necessary for life, homeostasis anticipate, identify, and respond to possible imbalances Correct Answer-nursing role for fluid and electrolyte balance 60 Correct Answer-approximately __% of typical adult is fluid (water and electrolytes) Osmosis Correct Answer-the diffusion of water caused by fluid and solute concentration gradients. - area of low concentration to area of high solute concentration. a higher concentration of extracellular sodiu...

PNB 2274 UCONN Exam 2 Tanner Questions And Answers Rated A+ Principles Electrostatic Attraction ANS - charge attraction - positively charged ions will be attracted to negatively charged ions Principles Chemical (diffusional) Gradients ANS - when a membrane is selectively permeable positively charged ions will flow to the one side making the other side negative due to leak channels. - making one side harder to diffuse with the outside of the cell because it is attracted to the more charg...

Regulating body temp in homeotherms(4) Ans- -relocation -thermogenisis -blood flow:anatomical and functional consideration -evaporation Brown adipose tissue Ans- -is one of the two fats in humans. -activated by norepnephrine -oxidative phosphorlation Phagocytosis Ans- By the invagination of their membrane to obtain food. Glucogen Ans- Released when levels are low Insulin Ans- Released when levels are high Modivates movement of material Ans- -gravity -hydrostatic pressure -ele...

What direction does sodium want to flow? Potassium? Correct Answer-Sodium: Wants to flow *into* cell Potassium: Wants to flow *out* of cell Which ion has the largest gradient? What direction will it want to flow? Correct Answer-Calcium has a huge gradient and will go down gradient *into* the cell if possible. What is a membrane potential? What is the relative charge difference between the outside and inside of a cell? Correct Answer-Voltage difference across their plasma membranes. The in...

BIO 100 EXAM 2 LATEST VERSION GRADED A+ LECTURE#6 Cell Communication **What is the role of the plasma membrane in a cell?** The plasma membrane acts as the "gatekeeper" of the cell, separating it from its environment and regulating the passage of molecules. It is composed of a hydrophobic phospholipid bilayer that allows small and hydrophobic molecules to pass through. **What are concentration gradients in cellular context?** Concentration gradients refer to the differences in...

Why Does the Brain Need Blood? Consumes 15-20% of the body’s total energy needs, (and receives 15% of Cardiac Output), despite being only 2% of total body mass. Neurons require high ATP to:  Maintain Ion Gradients across Plasma Membrane  Regulate Neurotransmitter synthesis/re-uptake. Neurons have NO ANAEROBIC CAPACITY → Therefore the brain absolutely depends on Oxygenated Blood.  Hence, any deficit in blood supply is detrimental (≈30+sec lack of blood/O2 to brain → u...