Tour of the Cell

Of the following, what do both mitochondria and chloroplasts have in common?
1. ATP is produced
2. DNA is present
3. Ribosomes are present
4. Only B and C are correct.
5. A, B, and C are correct
Grana, thylakoids, and CF1 particles are all structural components found in
1. cilia and flagella
2. chloroplasts
3. mitochondria
4. lysosomes
5. nuclei
Organelles that contain DNA include
1. ribosomes
2. mitochondria
3. chloroplasts
4. Only B and C are correct.
5. A, B, and C are correct
Which of the following would be found in an animal cell but NOT in a bacterial cell?
1. DNA
2. cell wall
3. plasma membrane
4. ribosomes
5. endoplasmic reticulum
Eukaryotic cells are typically larger than prokaryotic cells because
1. their plasma membrane has more control over the movement of materials into the cell.
2. their internal membrane system allows compartmentalization of functions and extra surface area for nutrient exchange and placement of enzymes.
3. their DNA is localized in the nucleus, whereas protein synthesis occurs in the cytoplasm, separating these competing functions.
4. they have more chromosomes and a mitotic process of cell division.
5. they have a cytoskeleton composed of microtubules and microfilaments
What is the innermost portion of mature plant cell walls called?
1. primary cell wall
2. secondary cell wall
3. middle lamella
4. glycocalyx
5. tonoplast
Plasmodesmata in plant cells are MOST similar in function to which of the following structures in animal cells
1. peroxisomes
2. demosomes
3. gap junctions
4. glycocalyx
5. tight junctions
A cell has the following molecules and structures: enzymes, DNA, ribosomes, plasma membrane, and mitochondria. It could be a cell from
1. a bacterium
2. an animal, but not a plant
3. a plant, but not an animal
4. a plant or an animal
5. any kind of organism
Cells can be described as having a cytoskeleton of internal structures that contribute to the shape, organization, and movement of the cell. All of the following are part of the cytoskeleton EXCEPT
1. the cell wall.
2. microtubules.
3. microfiliaments.
4. intermediate filaments.
5. actin.
Which of the following secretes many polysaccharides?

A. lysosome
B. tonoplast
C. mitochondrion
D. Glogi apparatus
E. Peroxisome
1. A
2. B
3. C
4. D
5. E
Which of the following contains hydrolytic enzymes?

A. lysosome
B. tonoplast
C. mitochondrion
D. Glogi apparatus
E. Peroxisome
1. A
2. B
3. C
4. D
5. E
Which of the following helps to recycle the cell's organic material?

A. lysosome
B. tonoplast
C. mitochondrion
D. Glogi apparatus
E. Peroxisome
1. A
2. B
3. C
4. D
5. E
Which of the following is the site of cellular respiration?

A. lysosome
B. tonoplast
C. mitochondrion
D. Glogi apparatus
E. Peroxisome
1. A
2. B
3. C
4. D
5. E
Which of the following is involved in the storage of diseases such as Tay-Sachs?

A. lysosome
B. tonoplast
C. mitochondrion
D. Glogi apparatus
E. Peroxisome
1. A
2. B
3. C
4. D
5. E
Which of the following contains its own DNA and ribosomes?

A. lysosome
B. tonoplast
C. mitochondrion
D. Glogi apparatus
E. Peroxisome
1. A
2. B
3. C
4. D
5. E
Which of the following detoxifies alcohol in the liver?

A. lysosome
B. tonoplast
C. mitochondrion
D. Glogi apparatus
E. Peroxisome
1. A
2. B
3. C
4. D
5. E
Which of the following contains enzymes that convert fat to sugar?

A. lysosome
B. tonoplast
C. mitochondrion
D. Glogi apparatus
E. Peroxisome
1. A
2. B
3. C
4. D
5. E
Which of the following contains cristae?

A. lysosome
B. tonoplast
C. mitochondrion
D. Glogi apparatus
E. Peroxisome
1. A
2. B
3. C
4. D
5. E
Ions can travel directly from the cytoplasm of one animal cell to the cytoplasm of an adjacent cell through
1. plasmodesmata.
2. intermediate filaments.
3. tight junctions.
4. desmosomes.
5. gap junctions.
Microfilaments participate in the formation of
1. cilia
2. cell cleavage furrows.
3. flagella
4. mitotic spindles.
5. basal bodies
An animal secretory cell and a photosynthetic leaf cell are similar in all of the following ways EXCEPT
1. They both have a Golgi apparatus.
2. They both have mitochondria.
3. They both have transport proteins for activie transport of ions.
4. They both have chlorplasts.
5. They both have a cell membrane.
Which of the following makes steriod hormones?

A. mitochondria
B. Glogi apparatus
C. Rough endoplasmic reticulum
D. Lysosomes
E. Smooth endoplasmic reticulum.
1. A
2. B
3. C
4. D
5. E
Which of the following sorts out mixtures of substances and sends them to their proper destinations?

A. mitochondria
B. Glogi apparatus
C. Rough endoplasmic reticulum
D. Lysosomes
E. Smooth endoplasmic reticulum.
1. A
2. B
3. C
4. D
5. E
Which of the following digests damaged organelles?

A. mitochondria
B. Glogi apparatus
C. Rough endoplasmic reticulum
D. Lysosomes
E. Smooth endoplasmic reticulum.
1. A
2. B
3. C
4. D
5. E
Which of the following is found in both prokaryotic and eukaryotic cells?

A. centriole
B. lysosome
C. nucleolus
D. peroxisome
E. ribosome
1. A
2. B
3. C
4. D
5. E
Which of the following possesses a microtubular structure similar in form to a basal body?

A. centriole
B. lysosome
C. nucleolus
D. peroxisome
E. ribosome
1. A
2. B
3. C
4. D
5. E
Which of the following assembles ribosomal precursors?

A. centriole
B. lysosome
C. nucleolus
D. peroxisome
E. ribosome
1. A
2. B
3. C
4. D
5. E
The plasma membrane structure is

A. a feature of all cells.
B. found in prokaryotic cells only.
C. found in eukaryotic cells only.
D. found in plant cells only.
E. found in animal cells only.
1. A
2. B
3. C
4. D
5. E
The cytoskeleton structure is

A. a feature of all cells.
B. found in prokaryotic cells only.
C. found in eukaryotic cells only.
D. found in plant cells only.
E. found in animal cells only.
1. A
2. B
3. C
4. D
5. E
The ribosome structure is

A. a feature of all cells.
B. found in prokaryotic cells only.
C. found in eukaryotic cells only.
D. found in plant cells only.
E. found in animal cells only.
1. A
2. B
3. C
4. D
5. E
The plasmodesmata structure is

A. a feature of all cells.
B. found in prokaryotic cells only.
C. found in eukaryotic cells only.
D. found in plant cells only.
E. found in animal cells only.
1. A
2. B
3. C
4. D
5. E
The tight junction structure is

A. a feature of all cells.
B. found in prokaryotic cells only.
C. found in eukaryotic cells only.
D. found in plant cells only.
E. found in animal cells only.
1. A
2. B
3. C
4. D
5. E
Golgi bodies are structures

A. a feature of all cells.
B. found in prokaryotic cells only.
C. found in eukaryotic cells only.
D. found in plant cells only.
E. found in animal cells only.
1. A
2. B
3. C
4. D
5. E
Chloramphenicol is a drug that inhibits protein synthesis on prokaryotic ribosomes. Which of the following cells (or parts of cells) would have protein synthesis inhibited if they were grown in th epresence of chloramphenicol?
1. bacteria
2. chloroplasts
3. mitochondria
4. Only A and C are correct.
5. A, B, and C are correct.
Which of the following is capable of converting light energy to chemcial energy?
1. chlorplasts
2. mitochondria
3. leucoplasts
4. peroxisomes
5. Golgi bodies
Which of the following contain the 9 + 2 arrangment of microtubules?
1. cilia
2. centrioles
3. basal bodies
4. microfilaments
5. nuclei
Large numbers of ribosomes are present in cells that specialize in producing which of the following molecules?
1. lipids
2. centrioles
3. proteins
4. microfilaments
5. glucose
A biologist ground up some plant cells and then centrifuged the mixture. She obtained some organelles from the sediment in the test tube. The organelles took up CO2 and gave off O2. The organelles are
1. chloroplasts
2. ribosomes
3. nuclei
4. mitochondria
5. Golgi apparatuses
Which of the following pairs is mismatched?
1. cell wall......support, protection
2. chloroplast......chief site of cellular respiration
3. chromosomes....genetic control information
4. ribosomes....site of protein synthesis
5. mitochondria....formation of ATP
Which of the following cell components is NOT directly involved in synthesis or secretion?
1. ribosomes
2. rough endoplasmic reticulum
3. Golgi bodies
4. smooth endoplasmic reticulum
5. lysosome
All of the structures listed below are associated with movement in cells or by cells EXCEPT
1. cilia
2. centrioles
3. microtubules
4. flagella
5. microbodies
Which type of organelle is primarily involved in the synthesis of lipids?
1. ribosomes
2. lysosomes
3. smooth endoplasmic reticulum
4. mitochondria
5. contractile vacuoles
Of the following, which cell structure would most likely be visible with a light microscope that had been manufactured to the maximum resolving power possible?
1. mitochondrion
2. microtubule
3. ribosome
4. largest microfilament
5. nuclear pore
In animal cells, hydrolytic enzymes are packaged to prevent general destruction of the cellular components. Which of the following organelles functions in this compartmentalization?
1. chloroplast
2. lysosome
3. central vacuole
4. peroxisome
5. glyoxysome
Which of the following does NOT contain functional ribosomes?
1. a prokaryotic cell
2. a plant mitochondrion
3. a chloroplast
4. an animal mitochondrion
5. a nucleus
When a potassium ion (K+) passes from the soil into the vacuole of a root cell, it encounters some cellular barriers. Which of the following is the most direct path the K+ would take through these barriers?
1. secondary cell wall --> plasma membrane --> thylakoid
2. primary cell wall --> secondary cell wall --> tonoplast
3. primary cell wall --> plasma membrane --> tonoplast
4. cellwall --> plasma membrane --> tonoplast --> grana
5. cell wall --> plasma membrane --> grana
Which of the following organelles is enclosed by an envelope of two membranes?
1. chloroplast
2. lysosome
3. Golgi apparatus
4. ribosome
5. central vacuole
Which of the followig is NOT a known function of the cytoskeleton?
1. to maintain a critical limit on cell size.
2. to provide mechanical support to the cell.
3. to maintain characteristic shape of the cell.
4. to hold mitochondria and other organelles in place within the cytosol.
5. to assist in cell motility by interacting with specialized motor proteins.
Cilia and flagella move
1. in opposite directions on the plasma membrane.
2. when the bending of microtubules is powered by ATP.
3. in the same direction on the plasma membrane.
4. when contraction of basal body triplets is powered by ATP.
5. when the central pair of microtubules produces ATP.
With a light micoscope, the minimum distance that two points can be searated and still be distingushed as two points is
1. limited by the magnification.
2. limited by the wavelength of visible light used to illuminate the specimen.
3. set by the amount of visible light that can pass through the scope.
4. limited by the refraction of light from the specimen.
The theoretical limit ot resolution by modern electron microscopes is
1. about 0.1 nanometer.
2. about 2 nanometer.
3. set by the wavelength of visible light emitted from the electron.
4. about 0.2 micrometer.
When biologist wish to study the internal ultrastructures of cells, they most likely would use
1. a good modern light microscope
2. a scanning electron microscope
3. a transmission electronic microscope
4. none of the above
A primary objective of cell fractionation is
1. to view the structure of cell membranes.
2. to identify the enzymes outside the organelles.
3. to determine the size of various organelles.
4. to separate the major organelles so their particular functions can be determined.
Of the following which might be the expected result of a mutation causing a low production of actin in an animal cell?
1. loss of enzyme activity in a mitochondrion
2. absence of a three-demensional network just inside the plasma membrane and a loss of cell shape.
3. loss of the 9 + 2 arrangement in cilia.
4. loss of cytoplasmic streaming
The cortex of a cell often has the semisolid consistency of a gel in contrast to the more fluid state of the interior cytoplasm. This is due to
1. the smooth endoplasmic reticulum.
2. dynein.
3. microtublules.
4. actin filaments.
5. the extracellular matrix
A cell lacking the ability to make and secrete glycoproteins would most likely be deficient in its
1. nuclear DNA.
2. extracellular matrix.
3. microtubules.
4. cytoskeleton
The extracellular matrix is though to participate in regulation of animal cell behavior by communicating via
1. lipoproteins in the membrane
2. the nucleus
3. DNA and RNA
4. integrins.
5. plasmodesmata