Jose is trying to lose 100 pounds. He has greatly restricted his caloric intake but has lost only about 6 percent of his desired goal. Jose's limited weight loss is due, at least in part, to the fact that his dietary restriction led to a(n) .

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.

Which is shown to be an effective treatment for depression?

Which of these statements describes clinical depression? a. a milder form of depression that usually follows a traumatic event b. a medical condition that may occur due to a chemical imbalance in the brain c. alternate feelings of extreme happiness and extreme sadness