The type of lipid formed from rings of carbon atoms which regulate sexual function, blood glucose levels and are an important component in <u>cell membranes</u> are known as Steroids.
Steroids- A steroid is an organic molecule having four rings organized in a certain chemical configuration that is physiologically active. The two main biological roles of steroids are as signaling molecules and as critical elements of cell membranes that affect membrane fluidity.
Cell Membrane- All cells have a cell membrane, also known as a plasma membrane, which divides the inside of the cell from the external environment. The movement of materials into and out of the cell is controlled by the cell membrane.
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Blood pressure by many hormones like ADH , renin etc !
- Analyze: (f) look for relationships of data
- Scientific method: (g) series of steps to solve a problem
- Conclusion: (d) statement based on the results of the experiment.
- Constant: (b) variable that remains the same
- Scientific Law: a) well-tested description of how something works in nature.
- Research: (c) gather information using the library or internet
- Multiple trials: (e) conducting an experiment more than once
Scientific laws explain phenomena that have been proven to be true by the scientific community. In general, theories explain how a phenomenon occurs, whereas laws predict what will happen in a particular scenario based on an equation.
A scientific law foretells the outcomes of particular initial circumstances. It may tell you what color hair your unborn child would have or how far a baseball will travel when launched at a specific angle. In contrast, a theory seeks to offer the most plausible justification for why events take place the way they do.
The five most well-known scientific laws are:
- Bernoulli's law of fluid dynamics.
- Dalton's law of partial pressures.
- Hooke's law of elasticity.
- Fourier's law of heat conduction.
- Archimedes' Principle of Buoyancy.
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Answer: I would say that the most common elements in living organisms are: 1)Oxygen
2)Carbon
3)Hydrogen
4)Nitrogen
Explanation:
1)Oxygen is the most abundant element contained within the living organisms, composing about 65% of the human body. It is also critical for cellular respiration in all aerobic organisms.
2)Carbon is essential for the survival, growth and reproduction of living things. It is a finite resource that comes in different forms and transfers from living to non-living things in various ways.
3)Hydrogen is important because it is involved in the process of enzyme catalysis and because it stabilizes things like nucleic acids and proteins.
4)Nitrogen is an important part of building amino acids and nucleic acids, both which are critical for maintaining life. Amino acids and nucleic acids are essential building blocks for cellular growth and repair in organisms in the form of protein.
On the inside side of the system, there are non-polar amino acids that can make bonds with the hydrophobic tails of the phospholipids found inside cell membrane structures.
An unusual combination of amino acids forms a channel protein, which embeds in the cell membrane and creates a hydrophilic channel for water and small, polar ions. Each channel protein, like all transport proteins, has a size and shape that keeps out all but the most particular molecules. A hydrophilic area forms in the core of the majority of channel proteins, which are composed of several similar protein subunits. Although the amino acids exposed within the hydrophobic cell membrane are hydrophilic on the inside, they are also non-polar. As a result, the protein is better able to bind to the membrane. Polar forces would drive the protein back into place if it tried to escape the membrane.
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