There is an enzyme explanation whose specificity states that an enzyme and its substrate possess specific complementary geometric shapes that fit exactly into one another. This is the lock and key explanation.Ê
The fluid mosaic model is currently the most accepted model of the plasma membrane. It describes the plasma membrane as a dynamic structure composed of a lipid bilayer with embedded proteins that are able to move and interact within the membrane.
Enzymes have an active site that is specific for a substrate - therefore enzymes only work when the right substrate is present. The surfaces of the enzyme and the substrate fit together - like a lock and key - allowing the enzyme to fulfil its function. The theory of "induced fit" is more widely accepted - it is similar, but the enzyme shape changes to accommodate the substrate.
Marijuana is considered a controlled substance and is classified as a Schedule I drug by the United States Drug Enforcement Administration (DEA). This means it is considered to have a high potential for abuse, no currently accepted medical use, and a lack of accepted safety for use under medical supervision.
The sliding filament theory is the model that best describes muscle contraction. It explains how actin and myosin filaments slide past each other, resulting in muscle fiber shortening and contraction. This theory is widely accepted in the field of muscle physiology.
The science of classifying organisms and assigning them universally accepted names is known as taxonomy.
A postulate or axiom is an accepted statement of fact.
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That which is considered and established as a principle; hence, sometimes, a rule., A statement of a principle to be demonstrated., To formulate into a theorem.
What kind of statement is accepted without further justification?
A logical argument in which each statement is backed up by a statement that is accepted as true is a proof.
A statement that is factually correct and does not mislead.
It is a repeated observation about nature.
The currently accepted hypothesis of membrane structure is the fluid mosaic model. This model describes the cell membrane as a dynamic structure composed of a lipid bilayer with embedded proteins that are free to move laterally within the membrane. It emphasizes the fluidity and flexibility of the membrane.
Postulate
A Postulate
A statement accepted without proof is commonly known as a theorem. The other word that is used for such statements is postulate.
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