Prokaryotic vs. Eukaryotic Cells

Cells that lack a membrane-bound

1 pts

One of the most fundamental distinctions in cell biology is whether a cell has a true membrane-bound nucleus or not.

Cells that lack a membrane-bound nucleus are called (1), while cells that have one are called (2).

Please drag and drop the selected option in the right place or type it instead

eukaryotes

heterotrophs

prokaryotes

autotrophs

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Explanation

Which of the following are examples of prokaryotic organisms?

1 pts

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Select ALL organisms that are prokaryotes.

Blue-green algae (cyanobacteria)

Fungi

Plants

Bacteria

Protozoa

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Explanation

In prokaryotic cells, where is the genetic material located?

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Prokaryotic cells lack a membrane-bound nucleus. Their genetic material must therefore be housed differently.

Where is the genetic material located in a prokaryotic cell?

Distributed evenly throughout the cytoplasm with no defined region

Inside the mitochondria

Inside a true nucleus bounded by a nuclear membrane

In a region of the cytoplasm called the nucleoid

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Explanation

Classify each feature as belonging to Prokaryotic Cells, Eukaryotic Cells, or Both.

1 pts

Drag each cellular feature into the correct category.

Drag and drop each option into the correct category. Click ✕ to return an item to the pool.

Options Pool

Prokaryotes Only

Drop here

Eukaryotes Only

Drop here

Both

Drop here

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Explanation

How do prokaryotic cells divide?

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Prokaryotic cells reproduce asexually by a simpler process than eukaryotic mitosis.

What is this process of prokaryotic cell division called?

mitosis

binary fission

meiosis

budding

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Explanation

Sort the steps of binary fission in the correct sequence.

1 pts

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Arrange the following steps of binary fission in prokaryotic cells in the correct order.

Each copy of the chromosome moves to an opposite end of the cell

The parent cell is divided into two parts

The single circular chromosome duplicates

A membrane forms in the middle of the parent cell

Two daughter cells separate, each with a complete set of genetic material

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Explanation

Which of the following organelles are absent in prokaryotic cells?

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Prokaryotic cells are much simpler than eukaryotic cells. Select ALL organelles that are absent in prokaryotic cells.

Golgi apparatus

Mitochondria

Plasma membrane

Nucleus

Endoplasmic reticulum

Ribosomes

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Explanation

True or False: Prokaryotic cells have membrane-bound organelles such as mitochondria and an endoplasmic reticulum.

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True or False:

Prokaryotic cells have membrane-bound organelles such as mitochondria and an endoplasmic reticulum.

True

False

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Explanation

Match each cell type to its correct set of characteristics.

1 pts

Match Prokaryotic and Eukaryotic cells to their defining characteristics.

To complete the line match

Click on an item in the first group
Click on the match in the second group

To delete a match, double click on a line

Cell Type

Eukaryotic cell

Prokaryotic cell

Characteristics

No membrane-bound nucleus; single circular chromosome; divides by binary fission

True membrane-bound nucleus; multiple linear chromosomes; divides by mitosis or meiosis

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Explanation

The cyanobacterium is an example of which type of cell?

1 pts

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Cyanobacteria (blue-green algae) are photosynthetic microorganisms frequently used as model organisms in cell biology textbooks.

What type of cell is a cyanobacterium?

A eukaryotic animal cell

A eukaryotic plant cell

A prokaryotic cell

A fungal cell

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Explanation

Which structure in a prokaryotic cell contains the photosynthetic pigments in photosynthetic bacteria?

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Photosynthetic prokaryotes such as cyanobacteria lack chloroplasts. Instead, they use a different internal membrane structure to carry out photosynthesis.

What structure contains the photosynthetic pigments in these cells?

Photosynthetic lamellae

Mitochondrial cristae

Nuclear membrane

Grana in chloroplasts

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Explanation

True or False: Prokaryotic cells contain ribosomes.

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True or False:

Despite their simplicity, prokaryotic cells still contain ribosomes.

False

True

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Cells that lack a membrane-bound

Correct Answer

Explanation

Which of the following are examples of prokaryotic organisms?

Correct Answer

Explanation

In prokaryotic cells, where is the genetic material located?

Correct Answer

Explanation

Classify each feature as belonging to Prokaryotic Cells, Eukaryotic Cells, or Both.

Drag and drop each option into the correct category. Click ✕ to return an item to the pool.

Correct Answer

Explanation

How do prokaryotic cells divide?

Correct Answer

Explanation

Sort the steps of binary fission in the correct sequence.

Correct Answer

Explanation

Which of the following organelles are absent in prokaryotic cells?

Correct Answer

Explanation

True or False: Prokaryotic cells have membrane-bound organelles such as mitochondria and an endoplasmic reticulum.

Correct Answer

Explanation

Match each cell type to its correct set of characteristics.

Cell Type

Characteristics

Correct Answer

Explanation

The cyanobacterium is an example of which type of cell?

Correct Answer

Explanation

Which structure in a prokaryotic cell contains the photosynthetic pigments in photosynthetic bacteria?

Correct Answer

Explanation

True or False: Prokaryotic cells contain ribosomes.

Correct Answer

Explanation

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