5 points A student wants to test different hormones for a science fair project.
Which of the hormones listed below the student use to increase the rate
of ripen of fruit? *
Gibberlinins
Ctyokinins
Auxins
Ethylene

Ethylene

Explanation:

Ethylene is a hormone required to trigger fruit ripening, and it can be blocked by using synthetic compounds, such as 1-methyl-cyclo-propene (1-MCP).

answer; ///i believe that the correct answer is (a) specialized cells)

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.