Selectively permeable - Study guides, Class notes & Summaries

USABO 2024 Exam Questions with Correct Answers Peripheral proteins - Answer-Bound to the surface of the membrane What are the 6 major functions of proteins? - Answer-Transport, enzymatic, signal, cell-to-cell recognition, intercellular joining, and attachment to cytoskeleton Glycolipids - Answer-Membrane carbohydrates that are covalently bonded to lipids Glycoproteins - Answer-Membrane carbohydrates that are covalently bonded to proteins Transport proteins - Answer-Allow passage ...

Biol 1201 Exam 2 Gregg Latest Update Already Passed Plasma membrane A selectively-permeable phospholipid bilayer forming the boundary of the cells. Hydrophilic heads and hydrophobic tails peripheral proteins Bound to the surface of the membrane Integral proteins penetrate the hydrophobic core Transport proteins Span membrane. Allow passage of hydrophilic substances functions of plasma membrane transport, enzymatic activity, signal transduction, cell-cell recognition, intercel...

PNB 2274 UCONN Exam 2 Tanner Questions And Answers Rated A+ Principles Electrostatic Attraction ANS - charge attraction - positively charged ions will be attracted to negatively charged ions Principles Chemical (diffusional) Gradients ANS - when a membrane is selectively permeable positively charged ions will flow to the one side making the other side negative due to leak channels. - making one side harder to diffuse with the outside of the cell because it is attracted to the more charg...

PHYS 261-Human Physiology Mid Term Exam With Latest Updated (Questions And Answers). MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Physiology is the study of A) the facial features as an indication of personality. B) the tissues and organs of the body at the microscopic level. C) growth and reproduction. D) the normal functions of the organ systems. E) the structure of the body. 2) The following is a list of several levels of o...

bacteria and archaea correct answers single celled prokaryotes; DNA found in the cytoplasm; lack membrane organelles, no nucleus coccus correct answers spherical bacteria bacillus correct answers rod shaped bacteria vibrio correct answers comma shaped bacteria spirrilum correct answers loosely coiled bacteria spirochete correct answers tightly coiled bacteria cell envelope correct answers cell membrane and cell wall = cell membrane correct answers selectively permeable barri...

Homeostasis When organisms maintain a stable internal environment even when external conditions change Metabolism Combination of chemical reactions taking place within an organism Stimulus A signal to which an organism responds Biosphere Means "living planet" Robert Hooke Scientist who looked at cork through a microscope and gave the name to cells Light Microscope A type of microscope Can magnify 1000x Not as strong as other microscopes Uses light Scanning Electron Microscope A typ...

Bio 198 Exam 5 KSU Questions and Answers Already Passed What is the first law of thermodynamics? And how does it pertain to cells? Energy cannot be created or destroyed Cells can't just create their own energy, they need a source. What is the second law of thermodynamics? And how does this pertain to cells? Energy is transferred, and in every transfer some energy is lost. Cells need a constant input of energy because they lose some as heat What is an endergonic reaction? A react...

BCH210 FINAL QUESTIONS WITH COMPLETE SOLUTIONS UDP glucose pyrophosphorylase - Answer--transfers a UMP onto G1P on the non-reducing ends to form UDP-glucose -requires a UTP -2 phosphates is the leaving group phosphoglycomutase - Answer--isomerase glucose 1,6 biphosphate converted into G1P which could then be added onto the glycogen during glycogen synthase. -has a phosphate in its active site, and donates the phosphate to C1 and accepts the phosphate on C6 mitochondria structure - An...

 HESI A2 ENTRANCE EXAM  FOR  CHAMBERLAIN COLLGE OF NURSING  2023 QUESTIONS WITH ANSWERS BIOLOGY 1. Which movement requires carrier protein but noo direct cellular energy? Facilitated transport 2. Which term denotes the movement of glucose molecules from an area of lower concentration to an area of higher concentration? Active transport 3. Plasmolysis is a term describing? Cellular shrinkage, which occurs when cells are immersed in hypertonic solurion 4. The moveme...

Ultrafiltration - Answer-Forcing fluids across semipermeable membrane via hydrostatic pressure Convection - Answer-Fluid and solutes being moved through spm during ultrafiltration Diffusion - Answer-solutes moving from high concentration to low concentration Osmosis - Answer-Diffusion of water through a selectively permeable membrane to area of high solute concentration what are kidneys excretory function? - Answer-filtering waste products normalize electrolytes provide fluid/nutri...