Glycocalyx - Study guides, Class notes & Summaries

NWHSU HISTOLOGY 1 - EXAM 1 2024 WITH 100% CORRECT ANSWERS What is the term for a storage of charge across a membrane - correct answer capacitance what is the difference of charge on the inside of a membrane - correct answer -70mv what are 5 characteristics of a bilipid layer - correct answer 1. thin membrane 2. semipereability 3. allows protein to float around (fluid mosaic) 4. membrane proteins control what comes in, and goes out of the cell 5. gycocalyx what is the function of ...

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...

BIO 202 Exam 1 Questions With 100% Correct Answers Updated 2024/2025 (Graded A+) 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? - correct answer *Nonrandom mating *Migration *Genetic drift *Natural selection When does allopatric speciation occur? - correct answer when members of the same species become geographically separated When does sympatric speciation oc...

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...

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...

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 ...

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...

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...

Bio 227 Exam 2 with Complete Solutions ain integrity and shape of a cell n nutrients and form chemical building blocks 3. dispose of wastes Answer-What are the 3 cell functions? cholesterol Answer-strengthens the cell membrane and stabilizes it at temperature extremes glycocalyx Answer-a "coating of sugar" on the cells surfaces passive transport Answer-kinetic energy inherent within a a substance as it moves down its concentration gradient (diffusion & Osmosis)

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...