If you're talking about excel then you would select the cell with the label you want and click "Format Painter". Then, you click and drag it down the first 10 and it will automatically apply that same label to all the cells.
Answer:
<h2>starch: polysaccharide is the answer</h2>
Explanation:
<h3>mark me a brainliest tysm</h3>
The structure of DNA is called a double helix because DNA is made up of two strands of nucleotides wound together in a spiral.
DNA has two strands that run opposite of each other and twist together much like a twisted ladder. Each backbone of the ladder is made up of alternating groups of sugar and phosphate groups.