Cells, Cell Theory, Characteristics of Organisms

According to cell theory, what do each of the following organisms have in common?

   

• They can all reproduce by spontaneous generation.

• Each organism is able to photosynthesize.

• Cells are the basic unit of structure for each organism.

• They are all made up of the same kinds of atoms.

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Which of the following do all living things have in common?

• Cells held up by cell walls

• The method to get water and food into their cells

• Cells made from pre-existing cells

• Special cells that can do many different things

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In the 1800s two scientists, Theodor Schwann and Matthias Schleiden, studied different types of organisms. After many years of studying a great variety of organisms, they drew similar but independent conclusions about their observations.

What statement was developed most directly from these conclusions and is part of the modern cell theory?

• The functions of living things occur in cells.

• Cells exist only in multicellular organisms.

• Living things are composed of cells.

• Cells contain hereditary information.

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The nucleus is a organelle inside eukaryotic cells

• True

• False

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All cells have a nucleus

• True

• False

A prokaryotic cell is a _________

• cell with one nucleus

• cell with two nuclei

• cell without a nucleus

The organism with prokaryotic cell is called a

• Bacteria

• Eukaryote

• Prokaryote

• Amoeba

A cell with a nucleus is called

• Eukaryotic

• Prokaryotic

The organism with eukaryotic cell is called

• Yeast

• Eukaryote

• Prokaryote

• Plant

Bacteria do not have _______ but have ________

• nucleus, DNA

• DNA, nucleus

• DNA, organelles