Facilitated diffusion Study guides, Class notes & Summaries

transport proteins - are responsible for controlling passage across the membrane fluid mosaic model - The membrane is a mosaic of protein molecules bobbing in a fluid bilayer of phospholipids fatty acid tails - nonpolar, hydrophobic fatty acid heads - hydrophilic, polar periphial proteins - bound to the surface of the membrane integral proteins - penetrate the hydrophobic core (ones that span the membrane are transmembrane protiens How do cells recognize each other? - by binding to molec...

Test Bank Porth Pathophysiology Concepts of Altered Health States 2nd Canadian EditionTable of Contents Chapter 01: Concepts of Health and Disease .......................................................................................................... 2 Chapter 02: Concepts of Altered Health in Children ............................................................................................. 13 Chapter 03: Concepts of Altered Health in Older Adults ............................................

a. Continuous absorption of oxygen (O2) and excretion of carbon dioxide Answer What is the primary purpose of the respiratory system? a. Continuous absorption of oxygen (O2) and excretion of carbon dioxide b. Filtering to prevent allergens and microbes from reaching the lungs c. Transport oxygenated blood to the tissues d. Warm and humidify inspired gas d. Exchange of gases between the blood and the tissue Answer What is meant by "internal respiration"? a. Any gas exchange that occurs ...

BIO 250 | Microbiology Final Exam Questions and Answers (Graded A+ 2023) Straighterline. An irregular cluster of spherical cells would be called a/an a. Palisades b. Sarcina c. Staphylococcus d. Streptococcus e. Spirilla 2. The study of the immune response to infection caused by microorganisms is a. Hypersensitivity b. Epidemiology c. Immunology d. Morbidity e. Geomicrobiology 3. What is the maximum number of electrons in the first energy shell of an atom? a. 2 b. 4 c. 8 d. 18 e...

Exam I correct answersVersion C What is lipogenesis? correct answersWhen your body makes fat from non-fat substances ATP correct answersProduced in the mitochondria Produced by use of a high proton concentration in the inner membrane space Produced via the conversion of ADP and inorganic phosphate by the ATP synthase NOT!! Is generated at a rate exactly proportional to weight to the 3/4 power Carbohydrate digestions begins in the correct answersMouth Essential Fatty Acids correc...

why are membranes called phospholipid bilayers? - Answer-phospholipids have hydrophilic head and hydrophobic tail, hydrophobic face inside of cell making 2 layers what is meant by fluid mosaic? - Answer-Mosaic of proteins drifting laterally in fluid bilayer of phospholipids how are membranes adjusted for different temperatures? - Answer-membrane fluidity adjusted by changing the ratio of unsaturated to saturated fatty acids how do the relative amounts of saturated and unsaturated fats chan...

BIOD 121 Essentials in Nutrition Module 2 Exam (100 out of 100) Verified Answers (Graded A+). Module 2 Exam - Requires Respondus LockDown Browser + Webcam Score for this quiz: 100 out of 100 MAKE SURE TO READ THE RED LETTERS FOR RIGHT ANSWERS!!! Multiple Choice: Which type of diffusion can move nutrients against the concentration from an area of low concentration to an area of high concentration? Facilitated diffusion Correct Answer Active transport Osmosis Passive diffusion List 3...

MN 576 Final Exam Questions With Answers Latest Update 2023/2024 Graded 100%. During well-women visits for 21- to 29-year-old sexually-active women who report more than 1 sex partner within the past 6 months, all of the following are appropriate screening tests except: Question options: 1) Pap smear. 2) HPV testing. 3) Pelvic examination. 4) STI screening. Question Components of the antenatal screening test known as the "quad screen" include all of the following except: Question optio...

integral proteins - correct answer Penetrate the hydrophobic interior of the lipid bilayer. Commerce via facilitated or active. peripheral protein - correct answer A protein loosely bound to the surface of a membrane or to part of an integral protein and not embedded in the lipid bilayer. Carbohydrate group - correct answer Linked with protein or lipids and function as adhesion. Cholesterol - correct answer Steroid common in cell membranes, also in many hormones. Functions as suppor...

A+ blood is characterized by the absence of B-antigen After passing through the glottis inspired air then travels through the Larynx After sperm matures in the epididymis it goes where? Vas Deferens Average length of the female urethra 1-1.5 inches Bile aids in the digestion of Fat Where are blood cells produced? Red Bone Marrow Blood pH is measured by the gain and loss of Hydrogen Ions Blood type that can only receive blood of same type? ...

Of the following functions, which is most important for the glycoproteins and glycolipids of animal cell membranes? A)facilitated diffusion of molecules down their concentration gradients B)active transport of molecules against their concentration gradients C)maintaining the integrity of fluid mosaic membrane D)maintaining membrane at low temperatures E)a cell's ability to distinguish one type of neighboring cell from another - Answer-E)a cell's ability to distinguish one type of neighb...