Rachel found some lumps in her breast. she immediately decided to undergo diagnostic test for breast cancer. which diagnostic procedure would be most useful?

Which of the following processes within viral replication is the greatest source of genetic variation in rna virus populations? a) high mutation rate due to lack of proofreading of rna genome replication errors. b) transcription from the host cell rna polymerase introduces numerous mutations. c) capsid proteins from the host cell can replace the viral capsid. d) viral rna is translated by host cell ribosomes.

Having health insurance means that a family cannot go bankrupt due to medical expenses. true or false?

What does cooper mean when she says “…non-nutrient foods are really, really cheap which is why i say it’s a social justice issue.” (7: 50 in video)