I think its a , but double check because i dont want it to be wrong .
Answer:
Essentially there is not an answer. There are two different definitions.
A holoenzyme is an enzyme that needs to be together with a cofactor(s), required for activity.
In some cases, enzymes constituted by several subunits (like DNA polymerase 3) are call holoenzyme as well, because it will only perform correctly when all its subunits are present.
The reason why Koala bears are restricted to live in a
certain habitat is because they can only eat a certain type of eucalyptus leaf.
These bears are indigenous to Australia. They are nocturnal and live in tropical
where temperate eucalyptus forest can be found.
<span>Potassium channels open and potassium ions diffuse out of the neuron.</span>
