science quarterly

What are the three parts of the cell theory? Select all that apply

• All living organisisms are composed of one or more cells.

• All cells arise from pre-existing cells through celular division.

• A cell is the basic structural and functional unit of living organizms.

• Everything has cells, even no living things.

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What type of cell has a nucleus?

• eukaryotic

• prokaryotic

Cell theory states that

• most living things are made of cells

• all living things are made of cells

• all living things are made of atoms

• some living things are made of cells.

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Prokaryotoes are ________ and include _____.

• single cells, DNA but not a nucleus.

• multple cells, and nucleus with DNA

Eukaryotic cells have _______

• DNA but no nucleus

• a nucleus with DNA

One main difference between prokaryotic and eukarryotic cells is that

• one prokaryotic cells have cell walls.

• only prokaryotic cells have a nucleus

• only eukaryotic cells have a nucleus

• only eukaryotic cells have DNA

All cells _____

• come from other dead cells

• crystalize out of air

• come from other living cells.

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Which of the following are LIVING?

• planton and seawater

• oxagen and strep

• minerals and seawater

• strep and plankton

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Pick the TRUE statement about celluar organization.

• cells working together make tissues

• tissues working together make organ systems

• cells working together make organs.

• organs working together make cells.

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What is the most basic unit of life?

• cell

• organs

• tissues

• organ systems

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