The main purpose of the mitral valve is to keep blood from flowing out of the heart
.
o keep blood from flowing back to the right
ventricle from the left ventricle.
O keep blood from flowing back to the left
atrium from the left ventricle.

Which of the following is characteristic of the lytic cycle? a) viral dna is incorporated into the host genome.b) the viral genome replicates without destroying the host.c) a large number of phages are released at a time.d) the virus—host relationship usually lasts for generations.

How many calories do you need to take away one pound

Select the correct answer. gina's father has diabetes and takes insulin. he recently had a liver transplant, after which he was put on anti-rejection medicines. this has made his insulin less effective. which term best characterizes gina's father's situation? a. drug synergism b. drug antagonism c. drug misuse