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a controlled substance can mean many things. it is generally a drug or chemical whose manufacture, possession, and use are regulated by a government. if you are talking about marijuana for example, in many places it is regulated in a way where little to no amount is allowed to be consumed, possessed or sold. alcohol is also controlled, but it is controlled in a way where it must be taxed and cannot be too pure. it cannot be consumed by people below a certain age.
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What is feedback inhibition?
A cellular control mechanism in which an enzyme that catalyzes the production of a particular substance in the cell is inhibited when that substance has accumulated to a certain level, thereby balancing the amount provided with the amount needed.
What are the two classification of pure substance?
the substance is substance
What is the function of the barrel of the Bunsen burner?
Control of the ratio gas fuel/air in the burner.
A special class of proteins that control chemical reactions?
A substance that enhances a chemical reaction is a catalyst. Certain proteins that are catalysts are called enzymes. An example of an enzyme is pepsin.
Substance A can not be broken down by a chemical change Substance Z can What can be concluded?
Substance A is an element, substance Z is a compound.
Why is it important thatwe control the density for any substance?
The density of any substance is constant, we don't control it. However, by finding the density of any substance, it can be used to help identify the substance.
Is fluoxetine a control substance?
no
What substance is used as a control in the Sudan iv test?
Usually water is the best control substance for the Sudan IV test.
What is a substance that is used for pest control?
There are many- what are you trying to control? roaches, ants, spiders
What does insecticide mean?
A substance that kills insect; a toxic substance used to control populations of insects by killing them.
Why is it difficult to control air pollution?
It is extremely difficult to control air pollution. This is because it is not a confined substance to try to control.
What allows a cell to control what substance pass into and out of it?
allows a cell to control what substances pass into and out of it?
This substance is released in response to pain in order to control it?
Endorphins
This substance is released in respon to pain in order to control it?
endorphins
What chemical substance helps control circadian rhythm?
pinealin
What is a congestion control mechanism?
Congestion control mechanisms are tools that control how backed up a substance may get. Traffic congestion control mechanisms can be stop lights, for example.
A control for the effect of a warm temperature would lack what substance?
enzyme
