Persia is motivated to show she is more limber on her President's Challenge sit and reach test. For the past 6 weeks she has been doing a stretching routine 4 days per week that includes 12 different stretches which she holds for 20 seconds each. A change to her program would indicate she is using the time principle to increase her flexibility when she increases her: holding time to 25 seconds each
number of specific core stretch exercises
range of motion for each stretch
stretching to 5 days per week

Some viruses can be crystallized and their structures analyzed. one such virus is yellow mottle virus, which infects beans. this virus has a single-stranded rna genome containing about 6300 nucleotides. its capsid is 25-30 nm in diameter and contains 180 identical capsomeres.if the yellow mottle virus begins its infection of a cell by using its genome as mrna, which of the following would you expect to be able to measure? a) replication rateb) transcription ratec) translation rated) formation of new transcription factors