Cell Theory & Cell Types

According to the cell theory, which statement is correct?

• Cells come from preexisting cells

• Viruses are true cells

• Cells are basically unlike in structure

• a) Mitochondria are found only in plant cells

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NGSS.MS-LS1-1

Which statement describes an exception to the cell theory?

• Mitochondria and chloroplast can reproduce within cells

• Cells arise from preexisting cells

• The cell is the basic unit of function in living things

• All living things are made of cells

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NGSS.MS-LS1-1

Which of the following is not part of ALL cells?

• Cell membrane

• Ribosomes

• Cell wall

• DNA

The major difference between prokaryotic and eukaryotic cells is the presence or absence of which of:

• organelles

• a cell membrane

• cytoplasm

• nucleic acids

Which is an example of a prokaryote?

• Protisits

• Animals

• Plants

• Bacteria

A bacterium is classified as a prokaryote because it:

• has cilia

• is a single cell

• has no nucleus

• has no DNA

The unit of structure and function of all living things is a(n):

• organ

• atom

• cell

• nucleolus

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-2

Who was the scientist to first describe and name the cells:

• Schwann

• Schleiden

• Hooke

• van Leeuwenhoek

A student examines a cell under the microscope and determines that it is a eukaryote. Which structure did the student identify?

• vacuole

• nucleus

• cell wall

• ribosomes

Tags

NGSS.MS-LS1-2

Who was the scientist that stated that all animals are made of cells?

• Schleiden

• Hooke

• Schwann

• van Leeuwenhoek

Tags

NGSS.MS-LS1-1