Many peculiar properties of water depends on the fact that the water molecule is polar.
The specific water behavior depends on the fact that one water molecule establish the so called hydrogen bond, possible due to polarity, with four nearby molecules . In particular the oxygen atom is bonded with two hydrogen atoms of other molecules, while the two hydrogen atoms are bonded to other two molecules at the oxygen terminal. This due to the residual positive charge of the hydrogen part and negative residual charge of the oxygen.
This set of weak bonds causes, for example, the fact that, at atmospheric pressure , water density is at maximum at 4 °C when water is liquid while the density of ice (solid water) is greater.
Moreover, the polarity of water renders it a very good solvent. As a matter of fact, when another polar material enters in water, water molecules substitute the polar bonds maintaining the material in solid state surrounding the atoms or the molecules with a water molecules layer (called hydration layer) so to decrease the energy of the solution and render it stable.
Last, but not least, the water polarity causes that hydroxyl and hydrogen ions move in water when an electrical field is present (during electrophoresis) by exchanging electrons with water molecules more than by simple push of the electrical field, having much higher mobility with respect to other ions.
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∙ 11y agoPolarity is important in living things because it helps to maintain proper cell structure, regulate various biological processes, and facilitate interactions between molecules. For example, the polar nature of water allows for the formation of hydrogen bonds, which are essential for many biological functions such as nutrient transport and DNA replication. Additionally, polarity helps in the separation of charges and enables cells to generate electrical impulses necessary for muscle contractions and nerve transmissions.
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∙ 14y agoPolarity is the main contributor when considering the solubility of molecules in solvents. Water has many important properties, and its polarity is one of them. Water's polarity allows many molecules to exist as solutes in a solution (water being the solvent). This allows life to have a common medium where many of the reactions essential for life are allowed to take place.
Polarity is also responsible for the ability of membranes to protect cells. The polar "heads" assosiate with the outside and inside of the cell. The inner "tails" are hydrophobic and do not allow any polar or charged molecules through (because they are not soluble in a hydrophic environment; hence it is energetically unfavorable to pass through this area as a polar molecule) without assistance (like with a protein).
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∙ 9y agoWater is considered as the universal solvent. Its polarity of water allows it to dissolve substances that are needed for various biochemical reactions.
Water's polarity allows it to form hydrogen bonds with other water molecules and with charged molecules like ions. This property enables water to dissolve essential nutrients and facilitate various biochemical reactions in living organisms. Additionally, water's polarity contributes to its high surface tension, which is important for processes like water transport in plants and the maintenance of cell structure.
Classifying living and non-living things helps us understand the world around us, identify relationships between organisms, and make predictions about behaviors and characteristics based on their classification. It also helps in organizing information, studying evolution, and developing strategies for conservation and biodiversity.
The seven life processes of living things are: nutrition (taking in and utilizing nutrients), respiration (the process of obtaining energy from food), movement (ability to move either internally or externally), excretion (removal of waste products), growth (increase in size or complexity), reproduction (producing offspring), and sensitivity (response to stimuli in the environment).
Some living things, like plants, require some exposure to ultraviolet (UV) light for processes like photosynthesis. However, excessive UV light can be harmful and cause damage to living organisms, including humans, by harming DNA. It is important for living things to have a balance of UV light exposure to maintain health and growth.
Living things are characterized by the ability to grow, reproduce, respond to stimuli, and adapt to their environment. Non-living things lack these characteristics and are typically considered inanimate objects. This classification is based on the fundamental differences in the biological processes and properties of living versus non-living entities.
Oxygen is the most important factor for living things.
bones are important to living things because it protects plants
The ozone in stratosphere is important for living things. The living things cannot expose themselves to UV which ozone protects.
Ozone gas is important for living things. It maintains our biosphere.
Water because most living things depend on it.
All living things need water because they need to obtain chemicals from their surroundings, break down food, grow, move substances within their bodies, and reproduce.
Yes. All living things are important.
All around us, living things or inorganic things are chemical compounds.
All living things (organisms) need water(H2O)
simply
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Because of his oo !