When designing a pregame meal for an athlete, how many calories from fat should the athlete consume if she is on a 2,800-calorie meal plan? a. 280 calories b. 420 calories c. 700 calories d. 1,120 calories e. 1,300 calories

What is the function of reverse transcriptase in retroviruses? a) it uses viral rna as a template for dna synthesis.b) it converts host cell rna into viral dna.c) it translates viral rna into proteins.d) it uses viral rna as a template for making complementary rna strands.