Dr. Loren suspects that her patient has meningitis. What is the best course of action? performing a brain scan and treating with phenytoin performing a spinal tap and treating with an antibiotic performing a nerve release and treating with levodopa performing magnetic resonance imaging and treating with aspirin

Choose thyroid, parathyroid, or the adrenal gland and choose one disease affecting this part of the en-docrine system.

Which of the following statements describes the lysogenic cycle of lambda (λ) phage? a) after infection, the viral genes immediately turn the host cell into a lambda-producing factory, and the host cell then lyses. b) most of the prophage genes are activated by the product of a particular prophage gene. c) the phage genome replicates along with the host genome. d) the phage dna is copied and exits the cell as a phage.

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.