There are basically two theories to suggest how enzymes and substrates fit together. They are:
The lock and key mechanism - this says that the structure of the substrate is exactly complimentary to the structure of the active site (i.e the region on the enzyme where the substrate fits/docks). The process is explained in terms of a lock and key analogy.
The induced fit mechanism - this says that the active site of the enzyme is able to change its confirmatin (i.e 3D structure) slightly in order to accomodate the substrate.
a substrate is the surface an enzyme binds to but ONLY if the structure of the enzyme matches up with the structure of the substrate, they fit together exactly like a lock going into a keyhole does. the key may be able to jammed in to the lock but it's not going to unlock the door unless it's the specific key needed
Enzymes are proteins (and very occasionally ribosomes) that catalyse reactions. They lower the activation energy so that the reaction proceeds much, much faster.
They can achieve this in many ways:
- By coupling non-favourable reactions with other, more favourable reactions
- Bind substrates in the correct orientation
- Provide catalytically active groups
- Stabilize the transition state
Substrate interact with enzymes for the enzymatic conversion to product. It largely specific to its particular substrate. They interact each other with non covalent interactions such as ionic and hydrogen bonding. Once the product is formed, the enzyme would be released for next reaction.
Substrates bind to their enzymes at the Active Sites.
Enzymes interact with substrates by having the substrates fit into the activation site of an enzyme. This lowers the activation energy that is needed to do somethin
It means adjusted to the change something has been introduced too.
Easy to answer: it's what makes an enzyme special. The natural order of enzymes makes them like a key-lock mechanism: one key opens specifically one lock. There are keys that can resemble the original one and keep the enzyme working and keys that may just fit but not activate. Exactly the same thing happens with enzymes. Substrates that are made for that enzyme link to it's active site to suffer metabolical canges, where the function of the enzyme lies.
It is true that the genotype regulate the enzymes present in an organism. Every characteristic about an organism is influenced by its genotype.
Enzymes have extremely interesting properties that make them little chemical-reaction machines. The purpose of an enzyme in a cell is to allow the cell to carry out chemical reactions very quickly. These reactions allow the cell to build things or take things apart as needed. This is how a cell grows and reproduces. At the most basic level, a cell is really a little bag full of chemical reactions that are made possible by enzymes! Enzymes are made from amino acids, and they are proteins. When an enzyme is formed, it is made by stringing together between 100 and 1,000 amino acids in a very specific and unique order. The chain of amino acids then folds into a unique shape. That shape allows the enzyme to carry out specific chemical reactions -- an enzyme acts as a very efficient catalyst for a specific chemical reaction. The enzyme speeds that reaction up tremendously.
Enzymes are catalysts. They help lower the activation energy of reactions and increase the rate of the reaction. Without the help of enzymes, the biochemical reactions in the body would take so long that it would kill the person.
enzymes and substrates
Proteins.
blood flow
competitors
Cellulose and enzymes don't tie , only Cellulase reacts with Cellulose .
enzyme complex
because enzymes are just many different proteins put together so they can make many different combinations of enzymes.
Gears are wheels with teeth that fit together.
It will only bind with the enzymes active site of the shapes are complimentary and enzymes are very specific
acids
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.
Thay fit together like a jigsaw puzzle