The cell ________ surrounds all cells and regulates what comes in and goes out.

The cell membrane is made mostly of long carbon and hydrogen molecules called ______.

Some bacteria surround themselves with a slimy layer called a _______ that protects the bacterium from harmful substances and prevents it from drying out.

In all cells, DNA is organized into one or more ___________.

The endoplasmic ___________, or ER, is a network of tubes that help produce and transport proteins and other molecules throughout the cell.

Ribosomes are small structures that assemble proteins. Both ________ and prokaryotes have them.

The _________ are small organelles that act as the demolition crews of the cell.

The “powerhouses of the cell,” the ____________” make most of the cell’s ATP, which is used to power cellular processes.

A cell’s organelles work properly only when the ________ has the correct substances.

The cell membrane is selectively ________. It allows some substances to pass through but keeps others out.

Oxygen molecules can pass through easily. Whole ______ cannot pass through the membrane at all.

When a certain type of molecule is more densely packed on one side of the membrane than on the other, a __________ gradient is formed.

The movement of molecules through a membrane is called ___________.

The movement of water across a semipermeable membrane is a special type of diffusion called __________.

Osmosis and diffusion happen without the cell doing any work. They are both forms of ________ transport.

___________blood cells often need to ingest bacteria in order to destroy them.

The cell membrane keeps the right chemicals in the ________ and keeps the wrong ones out

The Golgi apparatus performs the work of a __________ plant.

The _______ provides the information for many important parts of the cell.

The Bible indicates that God created prokaryotic and eukaryotic cells during _______ Week.

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