Which one of the following statements is true? select the best answer. a. a tourniquet is to be tightened until the bright red bleeding has stopped. b. a tourniquet is used to hold a field dressing in place. c. a tourniquet should be loose enough to slip four fingers underneath it. d. a tourniquet should be loose enough to slip two fingers underneath it.

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