How small was the scent source in the airport drill / exercise? O The size of a pea
O Slightly larger than a baby's toe
O About the size of a medium watermellon
O Smaller than a grain of sand

i would say the prokaryotic cells the prokaryotic cells are less complex, are usually found only in unicellular organisms and have more limited capabilities than eukaryotic cells.

b

explanation:

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.

youre right there are