Aprokaryotic cell is being looked at under the microscope and a scientist is watching molecules such as sodium enter and exit the cell. what part of the prokaryotic cell is being looked at under the microscope? a. dna b. cytoplastic membrane c. plasma membrane d. cell wall

In dna, only the_ varies from one nucleotide to another. base phosphate sugar amino acid

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?