DPHS Cell Theory and Cell Types Quiz

Which statement best summarizes why the cell theory was developed over time?

• New evidence was discovered that changed our understanding of the cell

• The scientists' opinions changed over time

• The cells themselves changed and so the theory changed with them

• The discovery of new organelles caused changes in the overall cell theory

What does spontaneous generation mean?

• Life can come from non-living things

• Life must come from cells

• Living things must come from other living things

• Life can be found on other planets

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In the past, some scientists accepted the theory of spontaneous generation. This theory states

that organisms can arise from nonliving matter. Currently, scientists use the cell theory to

explain the origin and growth of new organisms. Which of these statements is a key idea of cell

theory and a rejection of spontaneous generation?

• The cell is the basic unit of life.

• All living things are made of matter.

• All cells arise from pre-existing cells by division.

• All cells are formed from the combination of two other cells.

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4 different types of cells are shown. What characteristics do all these cells share? Pick all that apply!

• Genetic material (DNA)

• Cell membrane

• A cell wall

• Ribosomes

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Based on the table provided, how would you classify Cell 1 and Cell 2?

• Both Cell 1 and Cell 2 are eukaryotic.

• Both Cell 1 and Cell 2 are prokaryotic.

• Cell 1 is eukaryotic and Cell 2 is prokaryotic.

• Cell 1 is prokaryotic and Cell 2 is eukaryotic.

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These grains of sand look very similar to cells...what part of cell theory tells you that sand is NOT alive?

• All living things are made of cells.

• The basic unit of life has a nucleus.

• All cells come from preexisting cells.

• Cells are rapidly evolving to become more complex.

All ___________ are made of cells.

• living things

• non-living matter

• cells

• nucleus

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Cells are the _______ of life.

• basic unit

• nucleus

• membrane

• beginning

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All cells come from ____________

• pre-existing cells

• prokaryotes

• eukaryotes

• carbohydrates

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Select the defining features of a eukaryotic cell:

• Nucleus

• Membrane bound organelles

• Cell wall

• Flagellum