Cells: Prokaryotes vs Eukaryotes

Which structure is present in all eukaryotic cells but absent in prokaryotic cells?

• Nucleus

• Cell wall

• Cytoplasm

• Ribosome

What is the main function of the nucleus in a eukaryotic cell?

• Producing energy

• Storing genetic material

• Breaking down waste

• Transporting proteins

Tags

NGSS.MS-LS1-2

Which of the following organisms is a eukaryote?

• Amoeba

• E. coli

• Streptococcus

• Cyanobacteria

What is a key difference between prokaryotic and eukaryotic cells?

• Prokaryotic cells have a nucleus, eukaryotic cells do not

• Eukaryotic cells have a nucleus, prokaryotic cells do not

• Both have nuclei

• Neither have nuclei

Which of the following is a characteristic of eukaryotic cells?

• DNA is found in the cytoplasm

• DNA is enclosed within a nucleus

• No membrane-bound organelles

• Always unicellular

Which group contains only prokaryotic organisms?

• Bacteria and Archaea

• Plants and Animals

• Fungi and Protists

• Animals and Bacteria

A scientist finds a single-celled organism with no nucleus. Which group does this organism most likely belong to?

• Fungi

• Bacteria

• Plants

• Animals

Tags

NGSS.MS-LS4-2

Which of the following statements best explains why bacteria are classified as prokaryotes?

• They have a cell wall

• They lack a nucleus

• They are multicellular

• They have mitochondria

A scientist is studying two cells. Cell A has a nucleus and mitochondria, while Cell B does not have a nucleus or mitochondria. Using evidence, which cell is prokaryotic and why?

• Cell A is prokaryotic because it has a nucleus

• Cell B is prokaryotic because it lacks a nucleus and mitochondria

• Both are prokaryotic because they have organelles

• Neither is prokaryotic

Tags

NGSS.MS-LS1-2

Match the following

• contain genetic material (DNA)

• Eukaryotes DNA

• located in the nucleus

• Prokaryotes DNA

• free floating in the cytoplasm

• Both