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Many hormones synthesized in the gastrointestinal tract are chemically identical to brain neurotransmitters?
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∙ 12y ago
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∙ 12y ago
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How do you put chemically into a sentence?
we are all chemicals. chemically speaking nothing but C H and O.
Which of Jhon Daltons statements about the atom was proven false because of the discovery of isotopes?
Dalton said that all atoms of one element are identical. they are chemically identical but not identical in mass. he did not know of isotopes, which are chemically identical atoms with different numbers of neutral neutrons. ex: all carbon atoms act the same chemically but some mass at 12, others at 14.
When oxygen is part of garnet how is it different from its pure form?
When oxygen is part of a compound or a mineral, it is chemically bound in that position. But it is otherwise chemically identical to the oxygen in the air.
If two identical rocks were weathered one mechnically and the other chemically how would the products of weathering for the two rocks differ?
The product of the mechanically weathered rock would be identical to the original rock. The product of the chemically weathered rock would be dissimilar to the original rock.
How does a molecule of a vitamin synthesized in the laboratory behave when compared to the behavior of the same vitamin isolated from a natural source?
Identical in every way
What is the atomic radius of an atom that is chemically bonded to an identical atom equal to?
Half the distance between the two nuclei
Do isotopes of the same element react the same way?
Chemically isotopes (excepting H,D,T) are identical.
Why does both isotopes of phosphorus have identical chemical properties?
All isotopes of a substance are chemically the same. It is their physical properties which are different.
How are synthetic insulins produced?
Most insulins are now produced by recombinant DNA techniques, and are chemically identical to natural human insulin.
What is Nirenberg's experiment?
Nirenberg synthesized artificial mRNA by linking identical RNA nucleotides containing uracil as their base. No matter where it started or stopped, it only contained "UUU" which coded for a chain of phenylalanine.
What are the subsets of a pure substance?
An element and compound. Element- A group of atoms with identical proton numbers, Compound- 2 or more DIFFERENT elements chemically held together.
What is meant by chemically orthogonal?
Chemically orthogonal means that two functional groups or molecules do not engage in similar/identical chemical reactions or exhibit significant differences in their chemical reactivities. An amino and a nitro are chemically orthogonal nitrogen-functions. On the other hand, an aldehyde and a ketone can be considered chemically very similar with respect to most reaction conditions. I have to admit that this terminology is rather general and does apply to many functions. It is probably not of too much use.
