What is the difference between a compound and a mixture?

question 19 options:

a mixture is a pure substance, but a compound is not.

a compound is a pure substance, but a mixture is not.

mixtures are chemically combined, but compounds are not.

you cannot separate mixtures, but you can separate compounds.

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Describe how alleles and genes are related

Label the steps for protein synthesis in order, beginning with the first steponce the protein is made, the gene for a particular trait is expressedmrna joins the ribosome, and the anticodons from trna join mrna to form a chain ofamino acidsrna polymerase unzips dna and free rna nucleotides join dna to form mrnav a chain of amino acids is formed from peptide bonds, creating a proteinmrna is transported from the nucleus of the cell to the ribosomes of the cell.

Which of the following determines the specificity of a dna probe? a. type of radiation b. level of enzymatic activity c. number of neutrons d. complementary base pairing