Which is a function of the amniotic fluid? it nourishes the embryo. it cushions the embryo. it holds sperm. it protects the zygote.

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.

Kelly is 33 weeks pregnant and her doctor has scheduled her for a procedure to remove a small amount of fluid to check for the health of the fetus. the procedure is called .

Which is shown to be an effective treatment for depression?