What is the role of DNA polymerase enzymes in replication? unzipping the double helix by breaking down the hydrogen bonds

adding the free nucleotides to the complementary strand of DNA

connecting the fragments on the lagging strand of DNA

splitting the DNA molecule

adding the free nucleotides to the complementary strand of DNA

b.

starchy vegetables are high in carbohydrates.

starchy vegetables contain more carbohydrates than non-starchy vegetables.

explanation:

there are two primary categories of carbohydrates, essentially differentiated on the basis of their carbohydrate content (which is in the form of starch - a complex carbohydrate):

those vegetables which contain little amounts of starch are termed as non-starchy vegetables, and some examples include: artichokes, broccoli and bean sprouts.

vegetables high in their starch content are distinguished as starchy vegetables, and some examples include: potatoes, chickpeas and corn.