Cell Processes And Functions
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Identify the function of the chloroplast in aplant cell.
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To direct the functions of the cell
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To allow material to pass in and out of the cell
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To make plants beautiful
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To convert the sun’s energy into energy the cell can use
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About This Quiz
Please take this quiz to check you understanding of Cell Processes and Functions.
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- 2.
During cellular respiration, the majority ofenergy that is released occurs in the cell’s_______.
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Mitochondria
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Nucleus
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Ribosomes
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Cytoplasm
Correct Answer
A. MitochondriaExplanation
Cellular respiration is the process by which cells convert glucose and oxygen into energy, specifically ATP. The mitochondria are known as the powerhouses of the cell because they are responsible for generating most of the cell's energy through the process of oxidative phosphorylation. This occurs in the inner membrane of the mitochondria, where electrons from glucose are transported along the electron transport chain, leading to the production of ATP. Therefore, the majority of energy released during cellular respiration occurs in the cell's mitochondria.Rate this question:
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- 3.
Cells need the largest _______ possible inorder to absorb necessary materials and removewastes.
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Car
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Surface area
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Body
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Size
Correct Answer
A. Surface areaExplanation
Cells need the largest surface area possible in order to absorb necessary materials and remove wastes. A larger surface area allows for more efficient exchange of substances between the cell and its environment. This is because a larger surface area provides more space for molecules to enter and exit the cell, increasing the rate of diffusion. Additionally, a larger surface area allows for more transport proteins to be present on the cell membrane, further enhancing the cell's ability to transport necessary materials.Rate this question:
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- 4.
When a cell takes in a particle by surroundingit, it’s called _______.
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Diffusion
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Exocytosis
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Endocytosis
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Passive transport
Correct Answer
A. EndocytosisExplanation
When a cell takes in a particle by surrounding it, the process is called endocytosis. In this process, the cell membrane wraps around the particle, forming a pocket that pinches off inside the cell as a vesicle. This method allows the cell to absorb nutrients, liquids, or other substances. Endocytosis includes types like phagocytosis (engulfing solid particles) and pinocytosis (taking in liquids). It's an active transport process that requires energy to move substances into the cell.Rate this question:
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- 5.
What part of a cell is responsible fortransporting materials?
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Endoplasmic reticulum
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Nucleus
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Mitochondria
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Ribosomes
Correct Answer
A. Endoplasmic reticulumExplanation
The endoplasmic reticulum is responsible for transporting materials within the cell. It is a network of membranes that extends throughout the cytoplasm of the cell. It plays a crucial role in the synthesis, folding, and transport of proteins, as well as the production of lipids. The endoplasmic reticulum has a rough appearance due to the presence of ribosomes on its surface, which are involved in protein synthesis. It also has a smooth region that is involved in lipid metabolism and detoxification. Overall, the endoplasmic reticulum is essential for the proper functioning and organization of the cell.Rate this question:
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- 6.
The cell organelle in which proteins aremanufactured is called a(n) _______.
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Endoplasmic reticulum
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Golgi Body
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Mitochondria
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Ribosomes
Correct Answer
A. RibosomesExplanation
Ribosomes are the correct answer because they are the cell organelles responsible for protein synthesis. They are found in both prokaryotic and eukaryotic cells and can be free-floating in the cytoplasm or attached to the endoplasmic reticulum. Ribosomes read the genetic information in mRNA and use it to assemble amino acids into proteins through a process called translation. Therefore, ribosomes play a crucial role in the production of proteins within the cell.Rate this question:
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- 7.
When water passes through the cell membranebecause of diffusion, it’s called...
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Cellular respiration
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Photosynthesis
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Osmosis
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Water treatment
Correct Answer
A. OsmosisExplanation
Osmosis is the correct answer because it refers to the process of water passing through the cell membrane due to diffusion. In osmosis, water molecules move from an area of higher water concentration (dilute solution) to an area of lower water concentration (concentrated solution) across a semi-permeable membrane. This process is vital for maintaining the balance of water and solutes inside cells and is a fundamental mechanism for the transportation of water in living organisms. Cellular respiration, photosynthesis, and water treatment are unrelated processes and do not involve the specific movement of water through the cell membrane.Rate this question:
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- 8.
In the final stage of cell division, the cellmembrane divides the _______ into two parts.
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Cytoplasm
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DNA
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Daughter cell
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Cell wall
Correct Answer
A. CytoplasmExplanation
During the final stage of cell division, known as cytokinesis, the cell membrane divides the cytoplasm into two parts. This process ensures that each resulting daughter cell receives an equal amount of cytoplasm, along with its organelles and other cellular components. The division of the cytoplasm is necessary for the formation of two separate and functional daughter cells.Rate this question:
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- 9.
During what phase of mitosis does the cellcompletely divide into two new cells?
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Prophase
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Anaphase
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Interphase
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Telophase
Correct Answer
A. TelophaseExplanation
During telophase, the final phase of mitosis, the cell completely divides into two new cells. In this phase, the nuclear envelope reforms around the separated chromosomes at opposite ends of the cell, and the chromosomes begin to decondense. The cell then undergoes cytokinesis, where the cytoplasm divides, resulting in two separate daughter cells. Therefore, telophase is the correct answer as it is the specific phase in which the cell division is completed.Rate this question:
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- 10.
What is not a phase of mitosis?
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Interphase
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Prophase
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Megaphase
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Telophase
Correct Answer
A. MegaphaseExplanation
The correct answer is "megaphase" because it is not a recognized phase of mitosis. The phases of mitosis include interphase, prophase, metaphase, anaphase, and telophase. Megaphase is not a term used in the context of mitosis, making it the incorrect option.Rate this question:
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- 11.
In a plant and animal cell, the control center of the cell is the ________.
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Nucleus
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Cytoplasm
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Chloroplast
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Golgi body
Correct Answer
A. NucleusExplanation
The control center of a cell is responsible for regulating all cellular activities and maintaining the cell's overall function. In both plant and animal cells, the nucleus serves as the control center. It contains the cell's genetic material, DNA, which carries the instructions for protein synthesis and cell reproduction. The nucleus also regulates gene expression and controls the cell's growth, development, and metabolism. Therefore, the nucleus is crucial for maintaining the integrity and functionality of the cell.Rate this question:
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- 12.
The organelle in which photosynthesis takes place is the __________.
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Mitochondria
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Chlorophyll
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Chloroplast
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Nucleus
Correct Answer
A. ChloroplastExplanation
Photosynthesis is the process by which plants convert sunlight into energy. This process occurs in the chloroplasts, which contain the pigment chlorophyll. Chlorophyll absorbs light energy and uses it to convert carbon dioxide and water into glucose and oxygen. The mitochondria, nucleus, and chlorophyll are not directly involved in photosynthesis.Rate this question:
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Current Version
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Mar 21, 2023Quiz Edited by
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May 03, 2010Quiz Created by
Mrmorrow
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