PLZ HELP A scientist is testing the effects of exercise on students' heart rates. She asks a student to run in place for 1 minute and another student to stand still for one minute. She then measures and records their heart rate in beats per minute ONLY ONCE. The scientist decided one trial was enough for her study. Is this a well-designed experiment and why?

16. which of the following accurately describes a step within transcription? a. dna polymerase uses one strand of rna as a template to put together nucleotides. b. the dna strand is used as a template for which a complementary rna strand can be produced. c. the rna strand forms a template by which dna can be built. d. the rna strand is produced within the cytoplasm.

How would you expect the mrna codons that code for the amino acids that make up hemoglobin to compare between humans

These are the components of the reservoirs of carbon that are exchanged in our environment.