Phosphatidylcholine - Study guides, Class notes & Summaries

BIOL 200 FUNDAMENTALS OF CELL BIOLOGY UNIT 2 PRE READING QUIZ SCORE 100% UNIVERSITY OF BRITISH COLUMBIA

Which of the following size relationships is most correct? - ANSWER Mitochondria size > vesicle size > membrane thickness Which of the following processes can be readily studied in the budding yeast Saccaromyces cerevisae? - ANSWER Protein transport Why is cholesterol able to integrate into lipid bilayer? - ANSWER Because it has an amphiphatic organization, similar to membrane lipids Which of the following states is true for phosphatidic acid (PA) and phosphatidylcholine (PC)? - A...

Which of the following phases of human lung development is characterized by the formation of a capillary network around airway passages? a) Pseudoglandular b) Canalicular c) Alveolar d) Saccular correct answer: canalicular Regarding postnatal lung growth, by approximately what age do most of the alveoli that will be present in the lungs for life develop? a) 6 months b) 1.5 years c) 1 year d) 2 years correct answer: 1.5 The respiratory therapist is evaluating a newborn with mild r...

A 3-year old girl was brought to the ER with a temperature of 103ºF, lethargy, and cervical rigidity. Three tubes of cloudy CSF were delivered to the Lab, and preliminary test results showed: WBC: 4,500/µL Differential: 88% neutrophilsGlucose: 15 mg/dL 12% lymphocytesProtein: 140 mg/dLGram stain: No organisms observed From these results, what preliminary diagnosis SHOULD the physician consider? -:- bacterial meningitis What is the MOST probable condition when a clean-catch urine spe...

MMSC407 LIPIDS Exam Questions with Complete Solutions What are lipids? - Answer-Fatty, oily, waxy substances of animal or vegetable origin which are INSOLUBLE in water but are soluble in nonpolar solvents When are lipids insoluble and soluble? - Answer--Insoluble in water and soluble in nonpolar solvents -Nonpolar solvents: chloroform, ether, alcohol What are the types of lipids? - AnswerSaturated fatty acids - Answer--Primarily animal fat -no carbon double bonds -Solid at room temp ...

Cell membrane Correct Answer Phosphatidylcholine and sphingomyelin on EC side Phosphatidylethanolamine and phosphatidylserine on inside Increase in cholesterol => decrease in fluidity/permeability In some cells, covered by carb-rich glycocalyx Receptor-mediated endocytosis => both receptor and ligand get ingested by clathrin-coated vesicle Disorders of transport Correct Answer CF: defect in CTFR => salty sweat and thick mucus Cystinuria: inability to reabsorb cys in kidneys =&gt...

What are lipids? Relatively small bio-molecules that are insoluble in water but are significantly soluble in less polar solvents. What are the 6 roles of lipids? 1. Energy storage. 2. Structural units of membranes 3. Some hormones and vitamins. 4. Emulsifiers 5. Signal transduction 6. Protective coating What are the 5 basic types of lipids? 1. Fatty Acids 2. Glycerides 3. Membrane structural lipids 4. Isoprenoids 5. Steroids What are the 2 most common types of membrane structura...

PCB 3023 - Cell Biology Exam 2 Review Practice Questions and Answers where can cell membranes be found? - Answer️️ -1. enclosing the cell 2. enclosing the organalles why does the mitochondria has two membranes? - Answer️️ -to increase the surface area inside membrane functions - Answer️️ -1. define boundaries to regulate the a. chemical composition of the region they enclose b. interaction of the region they enclose with their external environment 2. define boundaries tha...

Biochem 2: Exam 1 Mastery Questions Saturated fatty acids are different to unsaturated fatty acids because they: A. have an even number of carbon atoms B. have short hydrophobic tails C. have no C=C double bonds D. exhibit free rotation about the carbon carbon bonds in the hydrocarbon tail E. mostly have cis double bonds - C. have no C=C double bonds Which of the following statements is FALSE? A. The longer the chain length of a saturated fatty acid, the higher the melting temperature ...

D103 midterm questions and answers 100% verified. Which of the following size relationships is most correct? - correct answers.Mitochondria size > vesicle size > membrane thickness Which of the following processes can be readily studied in the budding yeast Saccaromyces cerevisae? - correct answers.Protein transport Why is cholesterol able to integrate into lipid bilayer? - correct answers.Because it has an amphiphatic organization, similar to membrane lipids...