16 Questions
What is the consequence of water having 4 neighboring water molecules connected by hydrogen bonds?
Ice is less dense than liquid water
What is the term for the pressure generated by the osmotic flow of water through a semipermeable membrane into an aqueous compartment containing solute at a higher concentration?
Osmotic pressure
Which type of molecules are described as insoluble in water and are associated with the hydrophobic effect?
Nonpolar molecules
What is the fluid exterior to cells, which includes interstitial fluid, blood plasma, and fluids found in other reservoirs in the body called?
Extracellular fluid (ECF)
What term describes molecules containing both polar and nonpolar domains?
Amphipathic
Which factor determines the ability of water to dissolve substances?
H-bond with polar groups in non-ionic molecules
What property of water allows it to have the highest density at 4ºC?
Regular crystal lattice structure
What is the term for the bulk flow of water through a semipermeable membrane into another aqueous compartment containing solute at a higher concentration?
Osmosis
Which type of solutions have higher osmolarity than that of the cytosol?
Hypertonic solutions
Which hormones help monitor blood volume through mechanisms regulating thirst and sodium and water balance?
Aldosterone and antidiuretic hormone
What type of compounds dissolve easily in water due to their charged or polar nature?
Hydrophilic compounds
What is the most abundant substance in living systems?
Water
What is the role of water in biological processes?
Transports nutrients and oxygen into cells
What is the geometric shape of water?
Tetrahedral
What type of charge does the oxygen atom carry in a water molecule?
Negative charge
What is the primary function of hydrogen bonds in water?
Maintain water's liquid state at room temperature
Explore the role of water in biological processes, including its structure, properties, and functions in the human body. Learn about the compartments of body fluids and the essential role of water in transporting nutrients, regulating temperature, and acting as a universal solvent.
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