Glycocalyx - Study guides, Class notes & Summaries

Biology 1406 Chapter 5 questions & answers graded A+Mosaic components - correct answer Phospholipids Cholesterol Proteins Carbohydrates Found on exterior of membrane Attached to proteins (glycoproteins) or lipids (glycolipids) - correct answer Carbohydrates Phospholipids become arranged with their hydrophobic ____ facing each other and their hydrophilic _____ facing out - correct answer tails, heads Found on interior or exterior of membrane - correct answer Peripheral proteins ...

Fungi - Answer-cell wall made of chitin; Eukaryote Algae - Answer-cell wall made of silicates, eukaryotic Protozoa - Answer-Eukaryote Bacteria - Answer-Prokaryotic Virus - Answer-Acellular; only reproduce if they are inside of a living cell What allows a substance to cross a membrane - Answer-Protiens Substances that will never pass through a membrane - Answer-Charged substances Passive movement processes - Answer-No ATP needed 1. Diffusion 2. Facilitaed Diffusion 3. Osmosis Active Tr...

Biology 1406 Chapter 4 Review Questions with Complete Answers What does the cell theory state? All life is composed of cells & cells can only come from pre-existing cells. Differentiate between a unicellular organism and a multicellular organism, give an example of each. Unicellular organisms are composed of only one cell; Bacteria; Multicellular oganisms are composed of a multitude of cells, where a cell is only a part of the entire organism; People. Differentiate between unicellul...

Cell membrane - 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 - CF: defect in CTFR => salty sweat and thick mucus Cystinuria: inability to reabsorb cys in kidneys => kidney stones Hereditar...

MICROBIO 4000 EXAM #1 REVIEW QUESTIONS AND ANSWERS, GRADED A+ 1. Light reactions in phototrophs - -- Capture light energy and convert it to ATP and/or NADPH via photophosphorylation 1. Substrate-Level Phosphorylation - -- intermediate in catabolism provides the energy directly to ADP EX. glycolysis and krebs 2 components of Peptidoglycan - -- glycan - tetrapeptide 2 types of energy - -- Potential: stored energy (e.g. chemical bonds, concentration gradient) - Kinetic: energy of movem...

BIO 202 Exam 1 Questions With Correct Answers Updated 2024/2025 Graded A+ | Verified Answers. What are the properties of life? - correct answer *Cells and organization *Energy use and metabolism *Environmental response *Regulation and homeostasis *Growth and development *Reproduction *Biological evolution When was earth formed? - correct answer 4.55 billion years ago When did life on earth first appear? - correct answer 3.5 billion years ago What are the evolutionary mechanisms? - corre...

All organisms are composed of what? Cells Why is there an upper limit on cell size? Cells lose their ability to support themselves What does the plasma membrane divide? The fluid within a cell; intracellular fluid from extracellular fluid What is a phospholipid? Amphipathic molecules arranged in a bilayer Where do the phosphate heads face? Face water on either side of the membrane Where do the tails face and what kind of tail is it? Are in the center; hyd...

MLT ASCP Practice (medical laboratory technicians) Questions With Complete Solution / Guide -Graded A What single feature of normal RBCs is most responsible for limiting their life span? a. Loss of mitochondria b. Increased flexibility of the cell membrane c. Reduction of hemoglobin iron d. Loss of the nucleus [Accurate Ans: - d. Loss of the nucleus Intravascular or fragmentation hemolysis is the result of trauma to RBCs in the circulation. True or false. [Accurate Ans: - True Ext...

Prokaryote Characteristics - - No membrane surrounding their DNA; no nucleus - Lack organelles - internal membrane-bound structures - Small; ~1.0 μm in diameter (RBC ~10 μm) - Simple structure Prokaryote Types - Bacteria & Archaea Prokaryote External Structures (3) - Glycocalyces, Flagella and Fimbrae & Pilli Gycocalyx - "Sugar cage" - Polysaccharides - Capsule & Slime Layer Capsule - Hard glycocalyx with consistent structure around prokaryote Slime Layer - Inconsistent outsider lay...

Microbiology Chapter 3 Question and answers already passed 4 Processes of Life - correct answer growth, reproduction, responsiveness, metabolism Prokaryotes - correct answer kind of cell without a nucleus eukaryote - correct answer kind of cell with a nucleus organelles - correct answer specialized structures that act like tiny organs to carry on the functions of the cell glycocalyx - correct answer gelantious, sticky substance that surrounds the outside of a cell capsu...