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- Water is directly involved in many chemical reactions to build and break down important components of the cell. Photosynthesis, the process in plants that creates sugars for all life forms, requires water. Water also participates in building larger molecules in cells.
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The transparency of water is important for organisms that live in water. Because water is transparent, sunlight can pass through it. Sunlight is needed by water plants and other water organisms for photosynthesis.
- 3.12: Acids and Bases
Many solutions are a mixture of water and some other...
- Chemistry of Life
3.4: Biochemical Compounds Biochemical compounds make up the...
- 3.12: Acids and Bases
Just why is so much water required by human beings and other organisms? Water can dissolve many substances that organisms need, and it is necessary for many biochemical reactions. The examples below are among the most important biochemical processes that occur in living things, but they are just two of many ways that water is involved in ...
From a Biological point of view, water is important for a number of reasons: As a metabolite: Water is involved in many (bio)chemical reactions inside cells - metabolism. For example, the chemical reactions of condensation and hydrolysis involve the removal and addition of water, and water is essential for the light-dependent reactions of ...
- Water as A Metabolite
- Water as A Solvent
- Latent Heat Capacity of Water
- Cohesion
- Specific Heat Capacity of Water
- Density and Incompressibility
Metabolic reactions keep living organisms alive.Water is a very important metabolite. It is often a reactant necessary to start a metabolic reaction and is also often a byproduct of metabolic reactions.Water is a key metabolite in condensation and hydrolysis reactions. As we have seen numerous times so far already (e.g. condensation to make polymers such as polysaccharides and polypeptides).Many important biological molecules are either polar molecules or ionic molecules. This means these molecules have some degree of electrical charge to them. In order for these molecules to function...Water is a key solvent for many biological molecules. Water’s polarity makes it a very good polar solvent for many biological molecules. For example, in ionic calcium chloride, the positive Ca2+ wi...Most organisms require a specific temperature range in order for them to survive. Drastic changes in temperature can often be lethal, especially to very small organisms.
Cohesionis defined as the attraction between the same type of molecule. 1. Water molecules have strong cohesion. Water molecules are attracted to each other because of hydrogen bonds and are thus very cohesive. 2. Cohesion enables water to flow and transport. This strong cohesive property of water is what allows water to flow, which is very importa...
Specific heat capacityof water is the amount of heat energy (J) needed to raise the temperature of 1kg of water by 1 kelvin. 1. Water has a high specific heat capacity. This means that a lot of energy is needed to change the temperature of water, so water has a reasonably constant temperature. 2. The ocean is a thermally stable habitat. There is li...
Maximum density of water is at 4°C. Water is most dense at 4°C at which point it is still a liquid. This means that when water freezes into ice, it becomes less dense. This is due to the fact that...Water is incompressible. Water is (for the most part) incompressible, meaning it cannot be squashed under normal conditions. For example, if you fill a balloon with water and try to completely squa...The body needs all this water to function normally. Just why is so much water required by human beings and other organisms? Water can dissolve many substances that organisms need. Water’s polarity helps it dissolve other polar substances. Water is also necessary for many biochemical reactions.
- Christine Miller
- 2020
May 7, 2018 · Plants rely on the process of photosynthesis to capture, convert and store energy directly from the sun. To do this, they require carbon dioxide (CO 2) and water (H 2 O). In the presence of sunlight, these molecules break apart and form glucose (C 6 H 12 O 6) and oxygen (O 2).
May 12, 2020 · Water plays a crucial role in the physiological processes of plants; roles for which it is wellsuited because of its special physical and chemical properties, some of which are: • Water is an excellent solvent, making it a suitable medium for the absorption and translocation of mineral elements and other solutes necessary for normal plant ...
