Tagged: cell

Not your usual rash

Zachary Smith was scratching uncomfortably when his mom, Mandy picked him up at school. He claimed his feet and even his eyes itched. He and his mom assumed the rash was poison ivy, and...

The RNA world hypothesis

All living creatures today reproduce and evolve using a complex gene-enzyme cycle. If we look at a cell, for example, information encoded in its genes is used to produce functional proteins called enzymes. Some...

A gut bacterium’s guide to building a microbiome

The mammalian gut is warm, moist, and incredibly nutrient-rich—an environment that is perfect for bacterial growth. The communities of “good bacteria” in the gut, commonly referred to as the microbiome, are vital partners for...

Bacteriophage: the deadliest being on planet earth

A bacteriophage is a type of virus that infects bacteria. In fact, the word “bacteriophage” literally means “bacteria eater,” because bacteriophages destroy their host cells. All bacteriophages are composed of a nucleic acid molecule...