4. How does a lytic virus kill the cells that it infects?

A. It stops energy production by the cells mitochondria.

B. It allows the cell's cytoplasm to enter the nucleus, which destroys the cell's DNA.

C. It causes the cell membrane to rupture.

OD. It destroys chlorophyll molecules so that the cell cannot conduct photosynthesis.

Which of the following does not describe a physical property of iron? a iron is silvery-white or gray in color. b iron has a boiling point of about 3,000°c. c iron is a magnetic element . d iron and sulfur react to form iron sulfide.

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi