Selectively permeable - Study guides, Class notes & Summaries

transport proteins - are responsible for controlling passage across the membrane fluid mosaic model - The membrane is a mosaic of protein molecules bobbing in a fluid bilayer of phospholipids fatty acid tails - nonpolar, hydrophobic fatty acid heads - hydrophilic, polar periphial proteins - bound to the surface of the membrane integral proteins - penetrate the hydrophobic core (ones that span the membrane are transmembrane protiens How do cells recognize each other? - by binding to molec...

HESI A2 ENTRANCE EXAM: READING COMPREHENSION, CHEMISTRY, GRAMMAR, BIOLOGY, VOCABULARY & GENERAL KNOWLEDGE, CRITICAL THINKING, ANATOMY & PHYSIOLOGY AND MATH VERSION 2 (With answers) Reading Comprehension Neurologists and biological psychologists have witnessed a sharp increase in the knowledge and understanding of particular structures of the brain over the past two decades. As technology becomes ever more advanced, scientists are able to isolate the functions of even small regions of ...

Osmosis is the movement of Answer water through a selectively permeable membrane down its concentration gradient The ability of an organism to sense and react to changes in its body illustrates Answer responsiveness In negative feedback mechanisms, changes away from the normal state Answer stimulate changes in the opposite direction to restore normal levels Which of the following are living organisms simplest unit? Answer cells An organic compound always contains Answer carbon and hy...

Which organelles are involved in nuclear division correct answers centrioles What's the main constituent of a cell membrane by surface area correct answers phospholipids A cell membrane allowing some materials to pass through freely whilst preventing others correct answers selectively permeable. What's the correct definition of osmosis correct answers movement of water molecules from a low solute concentration to a high solute concentration through a selectively permeable membrane. ...

NSG 120 Quiz 4 Questions with Correct Answers Edema - Answer-an excessive amount of fluid in the interstitial compartment Dehydration - Answer-insufficient body fluid resulting from inadequate intake or excessive loss of fluids or a combination of the two Homeostasis - Answer-maintenance of a relatively constant and favorable environment for the cells Water - Answer-the medium within which metabolic reactions and other processes take place. Transport system How much of the adult bo...

The tissue through which gases are exchanged between the blood and the air in the lungs is - Answer- simple squamous epithelium Body heat is lost primarily by - Answer- radiation Bone cells form concentric circles around longitudinal tubes called - Answer- central canals A body has been sectioned in such a way that there is one whole lung per section and the urinary bladder has been split in half. What type of section is this? - Answer- sagittal Which type of tissue lines the follicl...

Final Exam: MN 551/ MN551 (Latest 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Grade A Q: A three-year-old girl has been diagnosed with amblyopia. Which of the following pathophysiologic processes is most likely to underlie her health problem? Question 2 options: a. The child may have a neural pathway disorder b. She may have been born with infantile cataracts c. The girl may have chronic bacterial conjunctivitis d. The child may have a congenital deficit of r...

The tissue through which gases are exchanged between the blood and the air in the lungs is - CORRECT ANS simple squamous epithelium Body heat is lost primarily by - CORRECT ANS radiation Bone cells form concentric circles around longitudinal tubes called - CORRECT ANS central canals A body has been sectioned in such a way that there is one whole lung per section and the urinary bladder has been split in half. What type of section is this? - CORRECT ANS sagittal Which ...

Pinocytosis - ANSWERCell drinking Phagocytosis - ANSWERCell eating Exocytosis - ANSWERrelease of substances outside a cell by the fusion of a vesicle with the membrane. Endocytosis - ANSWERprocess by which a cell takes material into the cell by infolding of the cell membrane osmosis - ANSWERLow to High, Diffusion of water through a selectively permeable membrane Diffusion - ANSWERMovement of molecules from an area of higher concentration to an area of lower concentration. tonic...

PHYS 261 Human Physiology Mid Term Exam 2022 . 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 organization that make up the human body...

WCU - PHYS 261 FINAL EXAM LATEST ANSWERS 2022. ) Nucleic acids are polymers of units called A) ribose. B) bases. C) fatty acids. D) amino acids. E) nucleotides. 6) Cell membranes are said to be A) actively permeable. B) impermeable. C) freely permeable. D) selectively permeable. E) none of the above 7) In humans, only __________ cells have flagella. A) sperm B) intestine lining C) stomach lining D) respiratory tract lining E) two of the above 8) The addition of a phosphate grou...