How do moose use a learned behavior to protect themselves? A. They have hollow hair to keep warm in the winter.
B. They roll in a bowl of muddy water to avoid fly bites.
C. They have keen hearing to sense danger in the floor
D. They use their wide hooves to prevent sinking in deep snow.

B

Explanation:

the function of the protein macromolecule is to move things in and out of the cell and transport other molecules in the body. there are many functions of proteins. they are the basic building blocks of living things and are responsible for the growth and repair of body cells and tissues.

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.