Question
The role of the cell membrane is most like the job of which person?
a firefighter who evacuates people from a burning building
a police officer who allows select people to enter and leave a crime scene
a bus driver who drives the express route from the suburb to downtown
a teacher who keeps students in the classroom during an exam
2. Which best defines homeostasis?
modifying the external environment
maintaining a stable internal environment
controlling what enters and exits the cell
movement of materials into the cell
3. A scientist discovers a cell that has chloroplasts, cytoplasm, DNA, and a cell membrane. Which statement best describes how the cell could be classified?
The cell is prokaryotic because it has DNA.
The cell is prokaryotic because it has cytoplasm.
The cell is eukaryotic because it has a cell membrane.
The cell is eukaryotic because it has chloroplasts.
4. Consider this animal cell.The organelles in an animal cell are labeled. Part G is a bean-shaped structure with folding inside.Which organelles are labeled G?centrioleslysosomesribosomesmitochondria
5. Which organelle makes the proteins that are needed by the cell?
cell membrane
Golgi apparatus
ribosomes
nucleus
6. Which best describes the cell theory?
Scientists know all there is to know about cells, so the cell theory will not change.
As technological advancements are made, the cell theory may change.
A theory, once formulated, cannot be changed.
The development of a synthetic cell has caused the cell theory to change.
7. Which structure is found in the cytoplasm of a prokaryotic cell, but is not found in the cytoplasm of a eukaryotic cell?
DNA
ribosomes
nucleus
mitochondria
8. Suppose that a patient is diagnosed with a new disease caused by the buildup of waste material in the body’s cells. Which organelle is most likely malfunctioning in the patient’s cells?
Golgi apparatus
lysosome
ribosome
endoplasmic reticulum
9. Which statement is one component of the cell theory?
All living and nonliving things consist of one or more cells.
Cells and living organisms are spontaneously created.
Cells are the most complex unit of structure and function in living things.
A cell is the basic unit of structure and function of all organisms.
10. Consider this animal cell.The organelles in an animal cell are labeled. Part D are stacked tubular structures.Which organelles are labeled D, and what is one feature that distinguishes them from the other labeled organelles?chloroplasts; the only organelles that produce sugars from sunlightribosomes; only found in animal and bacterial cellscentrioles; found in animal cells but not plant cellsmitochondria; the only energy-generating structures found in cells
a firefighter who evacuates people from a burning building
a police officer who allows select people to enter and leave a crime scene
a bus driver who drives the express route from the suburb to downtown
a teacher who keeps students in the classroom during an exam
2. Which best defines homeostasis?
modifying the external environment
maintaining a stable internal environment
controlling what enters and exits the cell
movement of materials into the cell
3. A scientist discovers a cell that has chloroplasts, cytoplasm, DNA, and a cell membrane. Which statement best describes how the cell could be classified?
The cell is prokaryotic because it has DNA.
The cell is prokaryotic because it has cytoplasm.
The cell is eukaryotic because it has a cell membrane.
The cell is eukaryotic because it has chloroplasts.
4. Consider this animal cell.The organelles in an animal cell are labeled. Part G is a bean-shaped structure with folding inside.Which organelles are labeled G?centrioleslysosomesribosomesmitochondria
5. Which organelle makes the proteins that are needed by the cell?
cell membrane
Golgi apparatus
ribosomes
nucleus
6. Which best describes the cell theory?
Scientists know all there is to know about cells, so the cell theory will not change.
As technological advancements are made, the cell theory may change.
A theory, once formulated, cannot be changed.
The development of a synthetic cell has caused the cell theory to change.
7. Which structure is found in the cytoplasm of a prokaryotic cell, but is not found in the cytoplasm of a eukaryotic cell?
DNA
ribosomes
nucleus
mitochondria
8. Suppose that a patient is diagnosed with a new disease caused by the buildup of waste material in the body’s cells. Which organelle is most likely malfunctioning in the patient’s cells?
Golgi apparatus
lysosome
ribosome
endoplasmic reticulum
9. Which statement is one component of the cell theory?
All living and nonliving things consist of one or more cells.
Cells and living organisms are spontaneously created.
Cells are the most complex unit of structure and function in living things.
A cell is the basic unit of structure and function of all organisms.
10. Consider this animal cell.The organelles in an animal cell are labeled. Part D are stacked tubular structures.Which organelles are labeled D, and what is one feature that distinguishes them from the other labeled organelles?chloroplasts; the only organelles that produce sugars from sunlightribosomes; only found in animal and bacterial cellscentrioles; found in animal cells but not plant cellsmitochondria; the only energy-generating structures found in cells
Answers
Answer
11. The data in the table were recorded during an investigation in which a paramecium was placed in a hypertonic salt solution.A 2-column table labeled Paramecium Contractile Vacuole Contractions has 5 rows. The first column is labeled salt concentration outside paramecium with entries very high, high, medium, low, very low. The second column is labeled contractions per minute with entries 2, 8, 15, 22, 30.Which statement correctly describes the bars on a bar graph representing the data?The graph has five bars of equal height.The bars range from tallest for very high concentration to shortest for very low concentration.The bar for very low concentration is twice the height of the bar for medium concentration.The bar for very high concentration is five times the height of the bar for very low concentration.
12. How would the contractile vacuole of a freshwater amoeba respond if the organism was placed in seawater?
with more contractions
with fewer contractions
the contractions would suddenly cease
with the same frequency of contractions
13. How is mitochondrial DNA (mtDNA) typing used in forensic science?
A suspect’s mtDNA sample is matched to an unknown sample of nuclear DNA that was found at a crime scene.
A suspect’s mtDNA sample is matched to an unknown sample of mtDNA that was found at a crime scene.
A suspect’s nuclear DNA sample is matched to an unknown sample of nuclear DNA that was found at a crime scene.
A suspect’s nuclear DNA sample is matched to an unknown sample of mtDNA that was found at a crime scene.
14. The endosymbiotic theory provides an explanation for the origin of chloroplasts. Which trait of chloroplasts supports this explanation?
Chloroplasts do not reproduce.
Chloroplasts rely on proteins that are made by the cell.
Chloroplasts are larger than prokaryotic cells.
Chloroplasts have their own DNA.
15. Who first recognized the cell as the universal unit of life?
Virchow
van Leeuwenhoek
Hooke
Schleiden and Schwann
16. A scientist is comparing the outer layer of an onion cell to the outer layer of a human skin cell. What is unique about the outer layer of the onion cell compared to the skin cell?
It contains proteins.
It contains cellulose.
It contains carbohydrates.
It is selectively permeable.
17. A magnifying glass is an example of which type of microscope?
electron microscope
scanning microscope
compound light microscope
simple microscope
18. Which organelle breaks down sugar molecules that supply energy to the cell?
Golgi apparatus
nucleus
endoplasmic reticulum
mitochondrion
19. The table lists some organelles and functions. Only one pair is correctly matched.
Functions of Organelles
Organelle Function
Chloroplast Stores water and waste materials
Cell wall Supports cell membrane, maintains cell shape, and protects cell
Cell membrane Breaks down waste materials and debris
Vacuole Produces proteins for the cell
Which organelle in the table is correctly matched with its function?
chloroplast
cell wall
cell membrane
vacuole
20. A scientist is comparing the outer structure of an onion cell, structure X, to the outer structure of a human skin cell, structure Y. Which generalization is true about the types of structures being examined?
Structure X is not living, and structure Y is living.
Structure X can be found in some human cells, and structure Y can be found in some plant cells.
Structure X is only found in plant cells, and structure Y is found in plant and animal cells.
Structure X is semipermeable, and structure Y is selectively permeable.
12. How would the contractile vacuole of a freshwater amoeba respond if the organism was placed in seawater?
with more contractions
with fewer contractions
the contractions would suddenly cease
with the same frequency of contractions
13. How is mitochondrial DNA (mtDNA) typing used in forensic science?
A suspect’s mtDNA sample is matched to an unknown sample of nuclear DNA that was found at a crime scene.
A suspect’s mtDNA sample is matched to an unknown sample of mtDNA that was found at a crime scene.
A suspect’s nuclear DNA sample is matched to an unknown sample of nuclear DNA that was found at a crime scene.
A suspect’s nuclear DNA sample is matched to an unknown sample of mtDNA that was found at a crime scene.
14. The endosymbiotic theory provides an explanation for the origin of chloroplasts. Which trait of chloroplasts supports this explanation?
Chloroplasts do not reproduce.
Chloroplasts rely on proteins that are made by the cell.
Chloroplasts are larger than prokaryotic cells.
Chloroplasts have their own DNA.
15. Who first recognized the cell as the universal unit of life?
Virchow
van Leeuwenhoek
Hooke
Schleiden and Schwann
16. A scientist is comparing the outer layer of an onion cell to the outer layer of a human skin cell. What is unique about the outer layer of the onion cell compared to the skin cell?
It contains proteins.
It contains cellulose.
It contains carbohydrates.
It is selectively permeable.
17. A magnifying glass is an example of which type of microscope?
electron microscope
scanning microscope
compound light microscope
simple microscope
18. Which organelle breaks down sugar molecules that supply energy to the cell?
Golgi apparatus
nucleus
endoplasmic reticulum
mitochondrion
19. The table lists some organelles and functions. Only one pair is correctly matched.
Functions of Organelles
Organelle Function
Chloroplast Stores water and waste materials
Cell wall Supports cell membrane, maintains cell shape, and protects cell
Cell membrane Breaks down waste materials and debris
Vacuole Produces proteins for the cell
Which organelle in the table is correctly matched with its function?
chloroplast
cell wall
cell membrane
vacuole
20. A scientist is comparing the outer structure of an onion cell, structure X, to the outer structure of a human skin cell, structure Y. Which generalization is true about the types of structures being examined?
Structure X is not living, and structure Y is living.
Structure X can be found in some human cells, and structure Y can be found in some plant cells.
Structure X is only found in plant cells, and structure Y is found in plant and animal cells.
Structure X is semipermeable, and structure Y is selectively permeable.
Answer
21. Which term describes an extensive network of tubes, sacs, and vesicles throughout a cell that provides transport as its main function?
cell membrane
endoplasmic reticulum
centriole
cell wall
22. Which experiments led to changes to the original cell theory?
experiments that showed that blood cells transport gases, waste, and nutrients throughout the body
experiments that showed that all cells are similar in how they metabolize and in their composition
experiments that transplanted synthetic chromosomes into bacterial cells to create a new species
experiments that established the existence of single-celled organisms and microbes
23. Which microscope is often used to view metal surfaces?
scanning electron microscope
scanning tunneling microscope
transmission electron microscope
compound light microscope
24. Herbicides are being used to kill weeds in a nearby field. The plants absorb the herbicides from the soil. Which organelle in the plant will most likely store the absorbed herbicide waste?
ribosome
vacuole
chloroplast
mitochondrion
25. Consider this animal cell.The organelles in an animal cell are labeled. Part H is the outside layer of the cell.Which organelle is labeled H?cell membranecell wallendoplasmic reticulumnucleus
cell membrane
endoplasmic reticulum
centriole
cell wall
22. Which experiments led to changes to the original cell theory?
experiments that showed that blood cells transport gases, waste, and nutrients throughout the body
experiments that showed that all cells are similar in how they metabolize and in their composition
experiments that transplanted synthetic chromosomes into bacterial cells to create a new species
experiments that established the existence of single-celled organisms and microbes
23. Which microscope is often used to view metal surfaces?
scanning electron microscope
scanning tunneling microscope
transmission electron microscope
compound light microscope
24. Herbicides are being used to kill weeds in a nearby field. The plants absorb the herbicides from the soil. Which organelle in the plant will most likely store the absorbed herbicide waste?
ribosome
vacuole
chloroplast
mitochondrion
25. Consider this animal cell.The organelles in an animal cell are labeled. Part H is the outside layer of the cell.Which organelle is labeled H?cell membranecell wallendoplasmic reticulumnucleus
Answer
76 :C
Answered by
GPT-4o mini
Sure! Here are the answers to the questions you've provided:
1. **The role of the cell membrane is most like the job of which person?**
- **Answer:** a police officer who allows select people to enter and leave a crime scene
2. **Which best defines homeostasis?**
- **Answer:** maintaining a stable internal environment
3. **A scientist discovers a cell that has chloroplasts, cytoplasm, DNA, and a cell membrane. Which statement best describes how the cell could be classified?**
- **Answer:** The cell is eukaryotic because it has chloroplasts.
4. **Consider this animal cell. The organelles in an animal cell are labeled. Part G is a bean-shaped structure with folding inside. Which organelles are labeled G?**
- **Answer:** mitochondria
5. **Which organelle makes the proteins that are needed by the cell?**
- **Answer:** ribosomes
6. **Which best describes the cell theory?**
- **Answer:** As technological advancements are made, the cell theory may change.
7. **Which structure is found in the cytoplasm of a prokaryotic cell, but is not found in the cytoplasm of a eukaryotic cell?**
- **Answer:** nucleus
8. **Suppose that a patient is diagnosed with a new disease caused by the buildup of waste material in the body’s cells. Which organelle is most likely malfunctioning in the patient’s cells?**
- **Answer:** lysosome
9. **Which statement is one component of the cell theory?**
- **Answer:** A cell is the basic unit of structure and function of all organisms.
10. **Consider this animal cell. The organelles in an animal cell are labeled. Part D are stacked tubular structures. Which organelles are labeled D, and what is one feature that distinguishes them from the other labeled organelles?**
- **Answer:** mitochondria; the only energy-generating structures found in cells
Let me know if you need further assistance!
1. **The role of the cell membrane is most like the job of which person?**
- **Answer:** a police officer who allows select people to enter and leave a crime scene
2. **Which best defines homeostasis?**
- **Answer:** maintaining a stable internal environment
3. **A scientist discovers a cell that has chloroplasts, cytoplasm, DNA, and a cell membrane. Which statement best describes how the cell could be classified?**
- **Answer:** The cell is eukaryotic because it has chloroplasts.
4. **Consider this animal cell. The organelles in an animal cell are labeled. Part G is a bean-shaped structure with folding inside. Which organelles are labeled G?**
- **Answer:** mitochondria
5. **Which organelle makes the proteins that are needed by the cell?**
- **Answer:** ribosomes
6. **Which best describes the cell theory?**
- **Answer:** As technological advancements are made, the cell theory may change.
7. **Which structure is found in the cytoplasm of a prokaryotic cell, but is not found in the cytoplasm of a eukaryotic cell?**
- **Answer:** nucleus
8. **Suppose that a patient is diagnosed with a new disease caused by the buildup of waste material in the body’s cells. Which organelle is most likely malfunctioning in the patient’s cells?**
- **Answer:** lysosome
9. **Which statement is one component of the cell theory?**
- **Answer:** A cell is the basic unit of structure and function of all organisms.
10. **Consider this animal cell. The organelles in an animal cell are labeled. Part D are stacked tubular structures. Which organelles are labeled D, and what is one feature that distinguishes them from the other labeled organelles?**
- **Answer:** mitochondria; the only energy-generating structures found in cells
Let me know if you need further assistance!
Answered by
GPT-4o mini
Here are the answers to your additional questions:
11. **Which statement correctly describes the bars on a bar graph representing the data?**
- **Answer:** The bars range from tallest for very high concentration to shortest for very low concentration.
12. **How would the contractile vacuole of a freshwater amoeba respond if the organism was placed in seawater?**
- **Answer:** with fewer contractions
13. **How is mitochondrial DNA (mtDNA) typing used in forensic science?**
- **Answer:** A suspect’s mtDNA sample is matched to an unknown sample of mtDNA that was found at a crime scene.
14. **The endosymbiotic theory provides an explanation for the origin of chloroplasts. Which trait of chloroplasts supports this explanation?**
- **Answer:** Chloroplasts have their own DNA.
15. **Who first recognized the cell as the universal unit of life?**
- **Answer:** Hooke
16. **A scientist is comparing the outer layer of an onion cell to the outer layer of a human skin cell. What is unique about the outer layer of the onion cell compared to the skin cell?**
- **Answer:** It contains cellulose.
17. **A magnifying glass is an example of which type of microscope?**
- **Answer:** simple microscope
18. **Which organelle breaks down sugar molecules that supply energy to the cell?**
- **Answer:** mitochondrion
19. **Which organelle in the table is correctly matched with its function?**
- **Answer:** cell wall (supports cell membrane, maintains cell shape, and protects cell)
20. **Which generalization is true about the types of structures being examined?**
- **Answer:** Structure X is only found in plant cells, and structure Y is found in plant and animal cells.
Let me know if you have any further questions or need more help!
11. **Which statement correctly describes the bars on a bar graph representing the data?**
- **Answer:** The bars range from tallest for very high concentration to shortest for very low concentration.
12. **How would the contractile vacuole of a freshwater amoeba respond if the organism was placed in seawater?**
- **Answer:** with fewer contractions
13. **How is mitochondrial DNA (mtDNA) typing used in forensic science?**
- **Answer:** A suspect’s mtDNA sample is matched to an unknown sample of mtDNA that was found at a crime scene.
14. **The endosymbiotic theory provides an explanation for the origin of chloroplasts. Which trait of chloroplasts supports this explanation?**
- **Answer:** Chloroplasts have their own DNA.
15. **Who first recognized the cell as the universal unit of life?**
- **Answer:** Hooke
16. **A scientist is comparing the outer layer of an onion cell to the outer layer of a human skin cell. What is unique about the outer layer of the onion cell compared to the skin cell?**
- **Answer:** It contains cellulose.
17. **A magnifying glass is an example of which type of microscope?**
- **Answer:** simple microscope
18. **Which organelle breaks down sugar molecules that supply energy to the cell?**
- **Answer:** mitochondrion
19. **Which organelle in the table is correctly matched with its function?**
- **Answer:** cell wall (supports cell membrane, maintains cell shape, and protects cell)
20. **Which generalization is true about the types of structures being examined?**
- **Answer:** Structure X is only found in plant cells, and structure Y is found in plant and animal cells.
Let me know if you have any further questions or need more help!
Answered by
GPT-4o mini
Here are the answers to your latest questions:
21. **Which term describes an extensive network of tubes, sacs, and vesicles throughout a cell that provides transport as its main function?**
- **Answer:** endoplasmic reticulum
22. **Which experiments led to changes to the original cell theory?**
- **Answer:** experiments that established the existence of single-celled organisms and microbes
23. **Which microscope is often used to view metal surfaces?**
- **Answer:** scanning electron microscope
24. **Herbicides are being used to kill weeds in a nearby field. The plants absorb the herbicides from the soil. Which organelle in the plant will most likely store the absorbed herbicide waste?**
- **Answer:** vacuole
25. **Consider this animal cell. The organelles in an animal cell are labeled. Part H is the outside layer of the cell. Which organelle is labeled H?**
- **Answer:** cell membrane
Let me know if you have more questions or need further assistance!
21. **Which term describes an extensive network of tubes, sacs, and vesicles throughout a cell that provides transport as its main function?**
- **Answer:** endoplasmic reticulum
22. **Which experiments led to changes to the original cell theory?**
- **Answer:** experiments that established the existence of single-celled organisms and microbes
23. **Which microscope is often used to view metal surfaces?**
- **Answer:** scanning electron microscope
24. **Herbicides are being used to kill weeds in a nearby field. The plants absorb the herbicides from the soil. Which organelle in the plant will most likely store the absorbed herbicide waste?**
- **Answer:** vacuole
25. **Consider this animal cell. The organelles in an animal cell are labeled. Part H is the outside layer of the cell. Which organelle is labeled H?**
- **Answer:** cell membrane
Let me know if you have more questions or need further assistance!
Answered by
GPT-4o mini
It seems like you're referencing question number 76, but I don't have the context for that question. If you provide me with the text of question 76 or any additional details, I'd be happy to help you with it!