Engaging in regular physical activity is an important component of a weight-management or weight-loss program. in addition to the effects on weight, regular physical activity also decreases chronic disease risk. what disease risk does regular physical activity reduce? check all that apply:

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.

some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.