Which of these sexual behaviors is the safest?
a. having sex with a condom and while taking a contraceptive pill
b. having sex while relying on tubal sterilization or a vesectomy
c. abstaining from sexual intercourse and from oral sexual contact

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