If a colony of 1.5 billion E. coli cells were infected with a single phage of T4, and each lytic replication cycle of the phage produced 200 new phages, how many replication cycles would it take for T4 phages to overwhelm the entire bacterial colony?

Research cheetahs on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? -cheetah how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.

The backbone of the double helix has an alternating molecules. what do you call these alternating molecule?

If there is another new infectious disease somewhere in the world, what do you think canadian officials should do