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Cell Structure and Cell Organelles

Quiz and Self-Test: Cell Structure

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Fig.1
Identification of cell components

Drag the names of the cell components onto the corresponding structures.

Practice questions:

Exercise

Which of the following structures occur in plant cells and not in animal cells?

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Mitochondria and endoplasmic reticulum.

Vacuoles and chloroplasts.

Chloroplasts and lysosomes.

Cell wall and Golgi apparatus.

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Exercise

Which properties do eukaryotes and prokaryotes have in common?

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They contain nuclei.

Both have mitochondria.

Protein biosynthesis in both groups occurs in the ribosomes.

Both types of cells are membrane-bound reaction spaces.

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Exercise

The following occurs in the mitochondrion:

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Exercise

Which attached organelles give the rough endoplasmic reticulum its name?

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Mitochondria

Dictyosomes

Ribosomes

Peroxisomes

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Exercise

Which statement about the nucleus is not correct?

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The nucleus is associated with the endoplasmic reticulum.

The nucleus is surrounded by a membrane that contains nuclear pores.

The nucleus contains the chromosomes.

Protein biosynthesis occurs in the nucleus.

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Exercise

What are the roles of the cytoskeleton of a living cell?

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Maintains the cell's form.

Movement and shape changes.

Protection of the ribosomes.

Formation of the spindle apparatus for cell division.

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Exercise

Please select all of the correct statements about ribosomes.

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Ribosomes occur in both prokaryotes and eukaryotes.

They usually consist of eight subunits.

Ribosomes consist of several subunits that are made of smaller proteins and very large RNA molecules.

Ribosomes are the protein factories of the cell.

All of the ribosomes in a cell are tightly bound to the rough endoplasmic reticulum.

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Exercise

The cell membrane consists of a with various and some cholesterol molecules incorporated within. It is thus primarily a protective barrier against , while can easily pass through the membrane.

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Exercise

Which function is the primary task of the Golgi apparatus?

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Central distribution and material exchange system

Protein biosynthesis

Energy extraction

Waste disposal

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