Scientists and doctors have known for many years that the human body harbors ______ of bacterial cells.

Some bacteria help us digest our food, and some produce important _______.

Most microbiota are ________. In fact, many are beneficial.

Because a bacterium lacks a nucleus, its DNA, which forms a circular _________, is suspended in the cytosol.

Some bacteria have a slimy coating called a capsule that covers their cell walls. The capsule prevents the bacterium from ________ out.

Bacteria living in the different temperature areas of the Grand Prismatic Spring produce the different _______.

The hot, rainbow-colored waters of the Grand Prismatic Spring in Yellowstone National Park, would be _______ for a human.

Although ________ are most famous for living in extreme places such as hot springs, they also live in more ordinary places such as the ocean, swamps, and even the human body.

Most prokaryotes are classified in kingdom ______. They lack membrane-bound organelles.

Normally bacteria reproduce by _______ fission.

The reason the earth hasn’t been destroyed by bacteria is that the conditions must be exactly right for bacteria to _______ so quickly.

Some bacteria can reproduce every _______ minutes.

Sometimes the ________ are so poor that bacteria struggle to survive.

_______ need nitrogen to grow, but they can’t use the nitrogen gas in the atmosphere.

Bacteria are so _______ that it’s hard to find a process that they are not involved in.

While we often think of bacteria as something to be ______ or killed, many of them are quite helpful.

Bacteria called ________ are responsible for recycling matter from waste materials and the remains of plants and animals into the soil where they can be reused.

The most common nutrient on Earth is _______. Too bad people and most animals can’t digest it.

Many of the bacteria in your microbiota keep other, less friendly _______ from starting to grow in or on your body.

Part of the Curse included bacteria becoming the cause of __________ such as tuberculosis, strep throat, and food poisoning

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