A 75-year-old male is being seen because of a one-day history of a painful right eye. He also mentions that he has blurred vision in that eye. He thought wind had blown something into his eye, but after flushing it out the pain and blurred vision remains. What is the best course of action?

Which of the following statements is true of cells

Some steps in cell division are shown below: 1. chromosomes condense and pair up 2. segments of dna of sister chromatids twist and cross 3. exchange of dna occurs between chromosomes 4. four daughter cells are created that are haploid which of the following steps is least likely to occur during meiosis 1?

Viral infections can be contracted only from direct contact with someone infected true or false