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Enhancers
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What is enzyme and active sites?
Enzymes are biochemical catalyst that are chemically proteins. Active site is a place where the enzymatic chemical reaction takes place.
Is DNA a natural polymer?
DNA constantly undergoes changes. It interacts with proteins that are able to replicate and transcribe it to generate a copy of RNA. Inactive sites are changed to active sites and active sites are silenced. DNA can therefore be considered an active polymer
What would be likely to raise the concentration of calcium ions in a cell?
Blocking ATP binding sites. By blocking ATP binding site it would stop the active transport which would result in a higher calcium concentration in the cytoplasm.
In an experiment to study the effect of proteases on proteins what is the most likely effect of a major change in pH?
a change in shape of the active sites of the enzyme
What is The binding of complement proteins to certain sugars or proteins on a foreign Cell's surface?
The prelude to invasion.
What muscle proteins help turn muscle contration on and off?
Calcium is responsible for binding to troponin sites which release tropomyosin off the active binding sites on the thin filament.
Large molecules may have reaction sites termed?
Molecules and cells have reaction and activity areas known under three terms. These are active, receptor, and binding sites. Such sites have markers and binding proteins allowing for their activation and or transfer of genetic materials.
What happens when globular proteins are denatured?
enzymes change shape/ unfolding of proteins
How does DNA and the histone proteins interact to form the chromosome?
the dna is inserted into the active sites of the proteins which causes it to for the chrosmosome.
What is enzyme and active sites?
Enzymes are biochemical catalyst that are chemically proteins. Active site is a place where the enzymatic chemical reaction takes place.
Is DNA a natural polymer?
DNA constantly undergoes changes. It interacts with proteins that are able to replicate and transcribe it to generate a copy of RNA. Inactive sites are changed to active sites and active sites are silenced. DNA can therefore be considered an active polymer
Functions of proteins in cell membrane?
Proteins can act as : Receptores, ones with active sites that can become functional; Recognition, especially glycoproteins; Transporter proteins, both active and passive transporters; Sturctural, maintaining the integraty of the membrane Some play a part in intracellular and extracellular signalling
Difference between active site and binding site?
Binding site is anywhere which something (such as a protein) can bind to. An example would be the upper flanking regions which contain binding sites thattranscription factors bond with during transcription. The active site is more specific to enzymes and refers to the site where the enzyme functions. It is the specific contours of this active site which give the enzyme its specific function (see how enzymes are substrate specific).
What would be likely to raise the concentration of calcium ions in a cell?
Blocking ATP binding sites. By blocking ATP binding site it would stop the active transport which would result in a higher calcium concentration in the cytoplasm.
What do enzymes have to help them fit their substrate?
Enzymes are proteins that have a very specific structure. The region on the surface of an enzyme that is responsible for binding and converting the subtract into the product is called the active site.
Is pick up proteins active or passive?
"Pick Up" Proteins Is Active Transort!
In an experiment to study the effect of proteases on proteins what is the most likely effect of a major change in pH?
a change in shape of the active sites of the enzyme
