Cell Theory

Which of the following statements is not part of the cell theory?

• Cells are the basic unit of structure and function in all living things.
• All cells are produced from other cells.
• Only animal cells are composed of cells.
• All living things are composed of cells.

Tags

NGSS.MS-LS1-1

The invention of the microscope made it possible for people to discover and learn about

• Plants
• Skin 
• Animals 
• Cells

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NGSS.MS-LS1-1

NGSS.MS-LS1-2

What is one way in which all living things on Earth are alike?

• All living things have hair.
• All living things are made of cells and come from other cells.
• The cells of all living things have chloroplast.
• All living things can move. 

Tags

NGSS.MS-LS1-1

Which statement reflects one of the major components of the cell theory?

• All living things are multi-cellular.
• Organs are the basic unit of structure and function for all living things.
• All cells come from previously existing cells.
• Every organism has a reproductive system to ensure survival of the species.

Tags

NGSS.MS-LS1-1

What structures distinguish a plant cell from an animal cell?

• Plant cells have cell walls and ribosomes.
• Plant cells have cell walls and chloroplasts.
• Plant cells have chloroplasts and ribosomes.
• Plant cells have chloroplasts and mitochondria.

What did Hooke first examine? 

• Pond water
• Plant cells
• Cork
• Animal fat

What did Leeuwenhoek examine?

• Cork
• Pond water
• Plant cells
• Animal fat

Tags

NGSS.MS-LS1-1

What was Schleiden convinced of? 

• All plants are made of cells
• All animals are made of cells
• All cells form spontaneously
• None of the above

Tags

NGSS.MS-LS1-1

Which of the following controls movement of materials in and out of a cell? 

• Cell wall
• Cell membrane
• Cytoplasm
• Nucleus

Tags

NGSS.MS-LS1-2

The jellylike substance that contains proteins, nucleic acids, minerals, ions, and organelles is what?

• Prokaryote
• Nucleus
• Cytoplasm
• Eukaryote