7.12F Progress Monitoring Quiz

Cells contain structures, called organelles, that carry out specific functions for the cell. Which of the following is NOT true regarding the theory of cells?

• All living things are made up of one or more cells.

• As the cell grows, so does the size of the organism.

• Cells grow and respond to changes in their environment.

• All cells are considered to be living.

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A scientist has discovered an unidentified organism. The cell theory states that which of the following must be true about this new living thing?

• Its cells come from preexisting cells.

• All its cells have different functions.

• It is not made up of cells.

• All its cells are considered nonliving.

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An amoeba is a one-celled organism. Which of the statements about amoebas is supported by the cell theory? An amoeba -

• has a globular, undefined size and shape.

• moves slowly using a pseudopod.

• contains organelles called chloroplasts.

• must obtain energy and releases waste.

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Many scientists, including Matthias Schleiden and Theodor Schwann, contributed to the cell theory. Which of the following is NOT one of the basic components of the cell theory?

• Cells are the basic units of organisms.

• All living things are composed of cells.

• Cells can arise only from other cells.

• All cells must eventually die.

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The cell theory was formulated only after the invention of the microscope. To which aspect of the cell theory did the microscope first contribute?

• All organisms are composed of cells.

• All cells perform similar functions.

• New cells arise from preexisting cells.

• Only plant cells contain a cell wall.

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A student is learning about the cell theory in science class, and she applies it to a fern that she is growing in her bedroom. The cell theory states that which of the following characteristics of the fern must be true?

• The fern’s cells came into existence spontaneously.

• The fern is made up of a collection of cells.

• The cells that make up the fern are nonliving.

• The fern is made up of compounds that are not cells.

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