The discovery of a periodic table closest to its modern form was the result of which scientists work with deck of cards?

the answer is mendeleev (apex verified)

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.

the dna molecules have a negative charge because of the phosphate groups in their sugar-phosphate backbone, so they start moving through the matrix of the gel towards the positive pole. power is turned on and dna fragments migrate through gel (towards the positive electrode).

explanation:

. a balance and a graduated cylinder.