Achef places sugar crystals in a cooking pan. he turns on the burner under the pan. in a few minutes, the sugar begins to melt. which process is most directly responsible for transferring heat from the burner into the suga

b

is correct hope this   also i learnd this in middle school

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.

what is the statement?

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.