Stretching is
1. considered exercise some of the time
2. improves the health of your muscles
3. is mostly performed in the middle of an exercise routine
4. none of the above

Taking a foil acid supplement during childhood can prevent illness

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

Select all of the possible methods of aids transmission.