Glycocalyx Study guides, Class notes & Summaries

FSE 120-0902 Microbiology Midterm Questions with Verified Answers What term describes organisms that feed on decomposing organic matter? Saprophytes Explanation: Saprophytes are organisms that obtain nutrients from decomposing organic materials, playing a crucial role in breaking down dead matter. What is the name of a virus that specifically targets bacteria? Bacteriophage Explanation: A bacteriophage is a type of virus that infects and replicates within bacteria. What is another...

What is not a function of a prokaryotic cell membrane? (A) Protein synthesis (B) Protein secretion (C) Respiratory electron transport (D) Osmotic barrier (E) Lipid synthesis CORRECT ANSWER (A) Protein synthesis Which of the following cell components would not be found on a gram-positive, circular shaped bacterium? (A) Murein (B) Teichoic Acids (C) S layer (D) Flagellum (E) Outer Membrane CORRECT ANSWER (E) Outer Membrane Which structure provides resistance to desiccation? ...

What six functions characterize all living things? Organization Responsiveness Growth Reproduction Movement Metabolism/Excretion What is homeostasis? A steady state of internal environment of an organism. What is the difference between positive and negative feedback? Give an example of each. Positive feedback enhances change (labor contractions during birth, blood clotting, etc...) Negative feedback resists change (body temperature, insulin, cortisol, etc...) List...

cell envelope contents (moving inward) - glycocalyx - outer membrane - cell wall - cytoplasmic (or "plasma" or "cell) membrane what three structures of the cell envelope are not found in all bacteria glycocalx, outer membrane, and cell wall true or false: all bacteria have a glycocalyx false true or false: all bacteria have an outer membrane false true or false: the bacterial cell envelope has one layer false- multiple describe the glycocalyx polysaccharide (sometimes with prote...

MIC 205 FINAL EXAM 2024 WITH 100% CORRECT ANSWERS If you were to Gram stain cell walls like those in Figure 1, after the addition of mordant (Gram's iodine): a. A would be purple b. B would be purple c. Both A and B would be purple d. Neither A nor B would be purple e. The answer cannot be determined - correct answer c. Both A and B would be purple Which of the cells in Figure 1 is producing glycocalyx? a. A b. B c. Both d. Neither e. Cannot be determined - correct answer...

What is a semiautonomous organelle? Correct Answer-organelle with DNA which two organelles are semiautonomous? Correct Answer-mitochondria & chloroplasts what is the endosymbiotic theory? Correct Answer-explains how eukaryotic cells may have evolved from prokaryotic cells what are terms associated with bacterial flagellum? Correct Answer-filament, hook, rod, and rings what type of cell has the most peptidoglycan? Correct Answer-Gram + what is the structural part of the cell wall w...

biomimicry Correct Answer-match natural subject as closely as possible; mimic nature bio-inspiration Correct Answer-leverage materials, methods, or other cues from nature and apply them towards analogous functions to enhance as an engineered system What are the 3 components of a mimetic ECM? Correct Answer-fibronectin, proteoglycan, laminin Why is the ECM important (what is its function)? Correct Answer-Forms the structure/scaffold of the cell. Interactive environment that allows commun...

Cell Theory All living organisms are composed of one or more cells. What are the 3 important parameters in microsopy? Magnification, resoultion, and contrast. Cell structure relies on what 4 factors? Matter, energy, organization, and information What are the 2 categories all forms of life based on cell structure? Prokaryotes and Eukaryotes. The proetome of a cell determines its ? Structure and function. Prokaryotic cell Reletively simple sturctures without a nucleus, put into either bacte...

APK final exam questions & answers 2024/2025 Hierarchy of Structural Organization - ANSWERSchemical, cellular, tissue, organ, organ system, organism anatomical position - ANSWERS Regional terminology - ANSWERS Body Planes and Sections - ANSWERSsagittal, frontal, transverse What are the smallest living units in our bodies? - ANSWERScells 3 main structural components of ANY cell - ANSWERSplasma membrane, cytoplasm, nucleus General structure of the plasma membrane - fluid mos...

Fungi: 3 major morphological groups CORRECT ANSWER 1. Multicellular filamentous molds -old food/classic fungus 2. Multicellular fruiting body formers -Fruiting bodies = Mushrooms (fungus is in the soil) 3. Yeasts -single celled Unique properties of Fungus: Cell wall CORRECT ANSWER Thematically similar to bacteria & archaea but contain differences eg: -Chitin: protein; insect shells are made of this -Mixed glycans: similar to peptidoglycan but in a dif order Can also secrete gl...