Phosphatidylserine Study guides, Revision notes & Summaries

what is the number of cells produced daily by bone marrow more than 100 billion cells are produced every day by the bone marrow what is the ratio of red blood cells to white blood cells in the bloodstream white blood cells (leukocytes: monocytes, lymphocytes, neutrophils, basophils, and eosinophils) are generally present at about 1/700th the number of erythrocytes and the function as mediators of immune responses to infection or other stimuli of inflammation what are the different formed ele...

common characteristics of cytoskeletal filaments - 1. They are dynamic and adaptable 2. They can form stable structures 3. Assemble from small subunits movements exhibited by lipids in membranes - 1. lateral diffusion 2. trasverse fluctuation 3. rotation 4. flexion 5. flip-flop where can cell membranes be found? - 1. enclosing the cell 2. enclosing the organalles why does the mitochondria has two membranes? - to increase the surface area inside membrane functions - 1. define boundarie...

What is the primary reason that mammalian red blood cells are used in the study of the plasma membrane? a. There are a lot of them and they are easily obtained. b. They contain larger plasma membranes than any other cell type. c. They are of particular interest because they are made up of a lipid monolayer. d. They lack nuclei and membrane-bounded organelles. correct answers d. They lack nuclei and membrane-bounded organelles. Two examples of membrane lipids that are present in small am...

2024 CPPS 303 - Lipids 1 ( Overview of Lipids and Lipoproteins ) Complete Questions & Answers (Solved) 100% Correct 1. Lipids Answer: fats and oils 2. Organization of Lipids by function classes (3) Answer: - Storage Lipids - Structural Lipids - Associated molecules 3. Storage Lipids (3) Answer: - Fatty Acids (FA) - Triglycerides (TG) - Sterols 4. Structural Lipids (3) Answer: - Glycolipids - Ceramides - Phospholipids 5. Types of Phospholipids (4) Answer: - Phosphatidylchol...

Which of the following interactions are generally considered to be unfavorable? - Interaction between Arg and Lys side chains at a pH of 7, assuming standard pKa values for Arg and Lys Proteins can be denatured by a) Changing temperature b) Adding urea to solution c) Changing solvent d) all choices are correct - All choices are correct If PAGE is carried out after subjecting the sample to SDS and beta-mercaptoethanol, then proteins will be separated on the basis of - Mass Which is the most...

Hemostasis Questions And Answers 2024/2025 LD-CFU-Meg - ANS-The megakaryocyte progenitor that undergoes endomitosis is: TPO - ANS-The growth factor that is produced in the kidney and induces growth and differentiation of committed megakaryocyte progenitors is: DTS - ANS-What platelet organelle sequesters ionic calcium and binds a series of enzymes of the eicosanoid pathway? GP IIb/IIIa - ANS-What platelet membrane receptor binds fibrinogen and supports platelet aggregation? Phosphatidy...

Cell Bio Practice Exam 2|32 Questions with Verified Answers RNA in cells differs from DNA in that ___. - CORRECT ANSWER it is single-stranded and can fold up into a variety of structures Transcription is similar to DNA replication in that ___. - CORRECT ANSWER nucleotide polymerization occurs only in the 5′-to-3′ direction. Which of the following statements is FALSE? (a) A new RNA molecule can begin to be synthesized from a gene before the previous RNA molecule's synthesis is compl...

MMSC 490 Exam 3 Questions and Answers What is the primary reason that mammalian red blood cells are used in the study of the plasma membrane? a. There are a lot of them and they are easily obtained. b. They contain larger plasma membranes than any other cell type. c. They are of particular interest because they are made up of a lipid monolayer. d. They lack nuclei and membrane-bounded organelles. - Answer ️️ -d. They lack nuclei and membrane-bounded organelles. Two examples of membra...

MMSC 490 Exam 3 Questions & Answers What is the primary reason that mammalian red blood cells are used in the study of the plasma membrane? a. There are a lot of them and they are easily obtained. b. They contain larger plasma membranes than any other cell type. c. They are of particular interest because they are made up of a lipid monolayer. d. They lack nuclei and membrane-bounded organelles. - Answer ️️ -d. They lack nuclei and membrane-bounded organelles. Two examples of membrane...

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...