Unit 2 - Cell Structures Test
(11).webp "Unit 2 - Cell Structures Test - Quiz")
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- 1.
After learning about viruses in Biology class, Sam decides to have his cat vaccinated against feline leukemia virus. According to cell theory, are viruses, such as feline leukemia, considered living things? Type question here
- A.
Yes, because they are composed of cells.
- B.
No, because they cannot evolve.
- C.
No, because they are not composed of cells.
- D.
Yes, because they can reproduce.
Correct Answer
C. No, because they are not composed of cells.Explanation
Viruses are not cells and so they are not considered living. They do evolve, reproduce, & contain DNA.Rate this question:
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- 2.
Which of the following do prokaryotes, eukaryotes, and viruses all have in common?
- A.
They are alive.
- B.
They evolve.
- C.
They are made of at least one cell.
- D.
All of the above.
Correct Answer
B. They evolve.Explanation
Viruses are not cells and so they are not considered living. They do evolve, reproduce, & contain DNA.Rate this question:
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- 3.
What can a vaccine do when it is injected into the body?
- A.
Destroy new pathogens as they arise in the body
- B.
Prompt the body to produce immunity to a disease
- C.
Produce toxins that disrupt bacterial equilibrium
- D.
Use bacterial cells for food
Correct Answer
B. Prompt the body to produce immunity to a diseaseExplanation
Vaccines introduce a weakened or inactive virus into an organism. The organism then produces antibodies to that virus, which make the organism immune to future infections.Rate this question:
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- 4.
What do prokaryotes and eukaryotes have in common?
- A.
Ribosomes
- B.
Nucleus
- C.
Mitochondria
- D.
Chloroplasts
Correct Answer
A. RibosomesExplanation
All cells contain the following: cell membrane, cytoplasm, ribosomes, DNA & RNA
Prokaryotes do NOT have a nucleus or membrane-bound organelles like chloroplasts & mitochondria.Rate this question:
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- 5.
Eukaryotes usually contain
- A.
A nucleus.
- B.
Specialized organelles surrounded by membranes.
- C.
Genetic material in the form of DNA and RNA.
- D.
All of the above
Correct Answer
D. All of the aboveExplanation
Eukaryotes have a nucleus with DNA and membrane-bound organelles.Rate this question:
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- 6.
Which of the following is TRUE of viruses?
- A.
Viruses do NOT evolve.
- B.
Viruses do NOT use and obtain materials and energy.
- C.
Viruses do NOT have a genetic code.
- D.
Viruses do NOT reproduce.
Correct Answer
B. Viruses do NOT use and obtain materials and energy.Explanation
Viruses evolve, reproduce, and have a genetic code (DNA or RNA).
They do NOT meet the other characteristics of life.Rate this question:
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- 7.
The presence of which structure indicates that cells are NOT bacteria?
- A.
Cell wall
- B.
DNA
- C.
Chloroplast
- D.
Ribosome
Correct Answer
C. ChloroplastExplanation
Bacteria (prokaryotes) will have a cell wall, cell membrane, cytoplasm, ribosomes, & DNA/RNA.
Prokaryotes do not have a nucleus or membrane-bound organelles like chloroplasts.Rate this question:
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- 8.
All cells contain which of the following?
- A.
Viruses
- B.
Cytoplasm
- C.
A nucleus
- D.
Organelles
Correct Answer
B. CytoplasmExplanation
All cells (prokaryotes & eukaryotes) will have a cell membrane, cytoplasm, ribosomes, & DNA/RNA.Rate this question:
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- 9.
What is the basic structure of a virus?
- A.
A tail sheath surrounded by tail fibers
- B.
A tiny cell surrounded by a cell wall
- C.
DNA or RNA surrounded by a protein coat
- D.
A capsid surrounded by a protein coat
Correct Answer
C. DNA or RNA surrounded by a protein coatExplanation
Viruses do not have "tails." Viruses are not cells. A capsid is the same thing as a protein coat.
Viruses are made of 2 things: nucleic acids (DNA/RNA) on the inside & protein on the outsideRate this question:
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- 10.
Prokaryotes are single-celled organisms that do not have
- A.
A cell wall.
- B.
A cell membrane.
- C.
Membrane-bound organelles.
- D.
Definite shape.
Correct Answer
C. Membrane-bound organelles.Explanation
Prokaryotes do not have a nucleus or membrane-bound organelles.Rate this question:
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- 11.
Which of the following contains a nucleus?
- A.
Organelles
- B.
Prokaryotes
- C.
Bacteria
- D.
Eukaryotes
- E.
All of the above
Correct Answer
D. EukaryotesExplanation
Eukaryotes have a nucleus. Prokaryotes do NOT have a nucleus.Rate this question:
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- 12.
Viruses cause disease by
- A.
Producing toxins that harm the body.
- B.
Producing antibodies.
- C.
Forming endospores in the body.
- D.
Entering body cells and replicating.
- E.
All of the above
Correct Answer
D. Entering body cells and replicating.Explanation
Viruses force cells to reproduce the virus. Viruses can not make anything themselves. They must have a host.Rate this question:
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- 13.
Which of the following is a function of the cell membrane?
- A.
Regulates which materials enter and leave the cell
- B.
Stores water, salt, proteins, and carbohydrates
- C.
Breaks down lipids, carbohydrates, and proteins from foods
- D.
Keeps the cell wall in place
- E.
All of the above
Correct Answer
A. Regulates which materials enter and leave the cellExplanation
The cell membrane acts like a gate-keeper, receptionist, or security guard because it regulates (controls) which materials can come in or go out of the cell.Rate this question:
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- 14.
The main function of the cell wall is to
- A.
Support and protect the cell.
- B.
Help the cell move.
- C.
Direct the activities of the cell.
- D.
Store DNA.
- E.
All of the above
Correct Answer
A. Support and protect the cell.Explanation
The cell wall is like the walls, foundation, & roof of a building because it provides support and protection.Rate this question:
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- 15.
Which organelle contains digestive enzymes used to break down large compounds into small particles that the cell can use?
- A.
Mitochondrion
- B.
Lysosome
- C.
Endoplasmic reticulum
- D.
Golgi apparatus
Correct Answer
B. LysosomeExplanation
Lysosome contains digestive enzymes that break down large molecules, invading bacteria, and damaged organelles. It acts like a janitor.Rate this question:
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- 16.
Which of the following is NOT true about endoplasmic reticulum?
- A.
Smooth Endoplasmic Reticulum makes lipids for membranes.
- B.
Smooth Endoplasmic Reticulum modifies proteins.
- C.
Rough Endoplasmic Reticulum modifies proteins.
- D.
Rough Endoplasmic Reticulum has ribosomes attached to its surface.
Correct Answer
B. Smooth Endoplasmic Reticulum modifies proteins.Explanation
Smooth ER makes lipids & does not contain ribosomes. It is not involved in protein production/modification.Rate this question:
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- 17.
Plant cells have a large membrane-bound compartment in which water, waste products, and nutrients can be stored. This compartment is called the
- A.
Chloroplast.
- B.
Vacuole.
- C.
Mitochondrion.
- D.
Golgi apparatus.
Correct Answer
B. Vacuole.Explanation
Vacuoles are storage areas in plant cells. They store mostly water. Plants will have 1 large central vacuole. Animal cells will either have several small vacuoles or none.Rate this question:
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- 18.
Naomi adds a chemical called cyclohexamide to cells grown in a test tube. Within minutes, she identifies short incomplete segments of proteins in the cells. On which organelle does cyclohexamide act?
- A.
Ribosome
- B.
Endoplasmic reticulum
- C.
Golgi apparatus
- D.
Nucleus
Correct Answer
A. RibosomeExplanation
If the chemical disrupts the proteins from being made, it must act on the organelle that makes proteins. Ribosomes make proteins.Rate this question:
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- 19.
The genetic material that provides instructions for making proteins is
- A.
Cytoplasm.
- B.
Cytosol.
- C.
DNA.
- D.
A ribosome.
Correct Answer
C. DNA.Explanation
DNA is the instructions for making proteins.
Ribosomes make proteins.
Cytoplasm and cytosol are the same thing = cell jelly (not directly involved in making proteins)Rate this question:
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- 20.
Which cells have a cell membrane, cytoplasm, ribosomes, and DNA?
- A.
Only eukaryotic cells
- B.
All cells
- C.
Only prokaryotic cells
- D.
Only animal cells
Correct Answer
B. All cellsExplanation
Both prokaryotes and eukaryotes (all cells) contain cell membrane, cytoplasm, ribosomes, & DNA.Rate this question:
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- 21.
A cell that requires a lot of energy might contain large numbers of
- A.
Mitochondria.
- B.
Chromosomes.
- C.
Vacuoles.
- D.
Lysosomes.
Correct Answer
A. Mitochondria.Explanation
Mitochondria produce energy SO cells that need a lot of energy will need more mitochondria.Rate this question:
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- 22.
Which of the following organelles makes food molecules for the cell through the process of photosynthesis?
- A.
Cytoplasm
- B.
Chloroplast
- C.
Lysosome
- D.
Mitochondria
Correct Answer
B. ChloroplastExplanation
Chloroplasts make food (glucose) for plant cells.Rate this question:
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- 23.
Which organelle converts the chemical energy stored in food into compounds that are more convenient for the cell to use for energy?
- A.
Endoplasmic reticulum
- B.
Chloroplast
- C.
Mitochondrion
- D.
Golgi apparatus
Correct Answer
C. MitochondrionExplanation
Mitochondria make energy for the cell.Rate this question:
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- 24.
Which of the following structures serves as the cell’s boundary from its environment?
- A.
Chloroplast
- B.
Cell membrane
- C.
Mitochondrion
- D.
Nuclear membrane
Correct Answer
B. Cell membraneExplanation
The cell membrane forms a boundary between the cytoplasm and the outer environment.Rate this question:
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- 25.
Which of the following is NOT a function of the nucleus?
- A.
Controls most of the cell’s processes
- B.
Contains the information needed to make proteins
- C.
Stores DNA
- D.
Makes proteins
Correct Answer
D. Makes proteinsExplanation
The nucleus contains the instructions for making proteins (DNA) but it does not make the proteins. That is what the ribosome does.Rate this question:
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- 26.
The organelle that modifies, sorts, and packages proteins is the
- A.
Ribosome.
- B.
Endoplasmic reticulum.
- C.
Lysosome.
- D.
Golgi apparatus.
Correct Answer
D. Golgi apparatus.Explanation
The Golgi apparatus is responsible for sorting & packaging proteins to be exported from the cell.Rate this question:
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- 27.
The organelle that modifies proteins before they are sent to the Golgi apparatus is the
- A.
Ribosome.
- B.
Endoplasmic reticulum.
- C.
Lysosome.
- D.
Nucleolus.
Correct Answer
B. Endoplasmic reticulum.Explanation
After the protein is made by the ribosome, the Rough ER modifies the proteins and then sends them to the Golgi to be packaged and exported.Rate this question:
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- 28.
Which of the following is the function of the nucleolus?
- A.
Controls most of the cell’s processes
- B.
Makes proteins
- C.
Contains cytosol
- D.
Makes ribosomes
Correct Answer
D. Makes ribosomesExplanation
The nucleolus makes ribosomes. The nucleus control's the cell. The cell membrane contains cytosol. The ribosomes make proteins.Rate this question:
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- 29.
Which of the following are rarely found in plant cells?
- A.
A cell membrane
- B.
A vacuole
- C.
Lysosomes
- D.
Mitochondria
Correct Answer
C. LysosomesExplanation
Lysosomes are found in animal cells but are usually NOT found in plant cells. Both plant and animal cells contain a cell membrane and mitochodria. Plants usually have 1 large vacuole.Rate this question:
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- 30.
Which of the following are never found in animal cells?
- A.
A cell membrane
- B.
A vacuole
- C.
Lysosomes
- D.
Chloroplasts
Correct Answer
D. ChloroplastsExplanation
Chloroplasts are only found in plant cells, NEVER in animal cells.Rate this question:
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- 31.
An organelle found in a liver cell would best be identified as a smooth endoplasmic reticulum if its primary function was which of the following? (HINT: What is the function of the smooth ER?)
- A.
Digest or break down large molecules and old organelles
- B.
Processing and packaging of cellular materials prior to export
- C.
Harvesting of light energy to produce carbohydrates
- D.
Detoxification of poisonous molecules within the cell
Correct Answer
D. Detoxification of poisonous molecules within the cellExplanation
Smooth ER is responsible for detox and making lipids to repair the cell membrane (like the school nurse)Rate this question:
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- 32.
Which of the following structures allows for the movement of organelles within the cell as well as movement of the cell itself?
- A.
Cytosol
- B.
Cell wall
- C.
Cytoskeleton
- D.
Cell membrane
Correct Answer
C. CytoskeletonExplanation
The cytoskeleton is responsible for movement and maintaining cell shape.Rate this question:
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- 33.
What is the correct order of organization of all living things from simplest to most complex?
- A.
Cell -> organ -> organelle -> organ system -> organism -> tissue
- B.
Organelle -> cell -> tissue -> organ -> organ system -> organism
- C.
Cell -> tissue -> organelle -> organ -> organism -> organ system
- D.
Cell -> tissue -> organ -> organelle -> organ system -> organism
Correct Answer
B. Organelle -> cell -> tissue -> organ -> organ system -> organismExplanation
organelles (cell structures) are the smallest & make up cells. Organisms are the largest.Rate this question:
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- 34.
All the following are found in both plant and animal cells, except ___.
- A.
A cell membrane
- B.
A cell wall
- C.
Endoplasmic reticulum
- D.
Mitochondria
Correct Answer
B. A cell wallExplanation
Animal cells do not have a cell wall but plant cells do.Rate this question:
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Jun 09, 2023Quiz Edited by
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Oct 15, 2013Quiz Created by
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