Chapter 1 Cell Review

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Quizzes Created: 1 | Total Attempts: 345
| Attempts: 345
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  • 1/10 Questions

    All living things are composed of

    • Blood
    • Chloroplasts
    • Vaculoles
    • Cells
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About This Quiz

Explore the fundamental units of life in the 'Chapter 1 Cell Review'. This quiz assesses knowledge on cell composition, structures like nucleus and vacuoles, biochemical substances such as carbohydrates, and processes including osmosis, with an emphasis on the role of the microscope in cell discovery.

Cell Biology Quizzes & Trivia

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  • 2. 

    The invention of this instrument made the discovery of cells possible.

    Explanation
    The invention of the microscope made the discovery of cells possible. Microscopes are instruments that use lenses to magnify objects that are too small to be seen with the naked eye. The simple microscope, also known as a magnifying glass, was the first type of microscope invented and allowed for the observation of small details. However, it had limitations in terms of magnification. The compound microscope, on the other hand, was a more advanced version that used multiple lenses to provide higher magnification and resolution, enabling the discovery of cells and other microscopic organisms.

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  • 3. 

    In plant and animal cells, the control center of the cell is the

    • Chloroplast

    • Cytoplasm

    • Nucleus

    • Golgi body

    Correct Answer
    A. Nucleus
    Explanation
    The correct answer is nucleus. The nucleus is the control center of the cell in both plant and animal cells. It contains the cell's genetic material, including DNA, which controls the cell's activities and coordinates the cell's functions. The nucleus also regulates the production of proteins and plays a crucial role in cell division. The chloroplast is responsible for photosynthesis in plant cells, the cytoplasm is the jelly-like substance that fills the cell, and the Golgi body is involved in protein modification and transportation.

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  • 4. 

    What organelle produces proteins?

    Correct Answer
    ribosome
    ribosomes
    Explanation
    Ribosomes are the organelles responsible for protein synthesis in cells. They are composed of RNA and proteins and can be found either free in the cytoplasm or attached to the endoplasmic reticulum. Ribosomes read the genetic information encoded in the mRNA and use it to assemble amino acids into a polypeptide chain, which then folds into a functional protein. Therefore, ribosomes play a crucial role in the production of proteins within the cell.

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  • 5. 

    The process by which water moves across a cell membrane is called

    • Osmosis

    • Active transport

    • Organelle

    • Resolution

    Correct Answer
    A. Osmosis
    Explanation
    Osmosis is the correct answer because it refers to the process by which water molecules move across a cell membrane from an area of lower solute concentration to an area of higher solute concentration. This movement occurs through specialized channels called aquaporins and does not require energy expenditure by the cell. Osmosis is essential for maintaining proper water balance and osmotic pressure within cells.

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  • 6. 

    A storage compartment of the cell is the

    • Cell wall

    • Lysosome

    • Endoplasmic reticulum

    • Vacuole

    Correct Answer
    A. Vacuole
    Explanation
    The correct answer is vacuole. A vacuole is a storage compartment in a cell that stores water, nutrients, and waste materials. It helps maintain the cell's shape and structure, regulates the cell's internal environment, and plays a role in cell growth and development. Vacuoles are found in both plant and animal cells, but they are larger and more prominent in plant cells. They can also contribute to the cell's defense mechanism by storing toxic substances or pigments.

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  • 7. 

    Starch is an example of a

    • Nucleic acid

    • Protein

    • Lipid

    • Carbohydrate

    Correct Answer
    A. Carbohydrate
    Explanation
    Starch is a complex carbohydrate composed of long chains of glucose molecules. It is the primary energy storage molecule in plants and serves as a major source of energy for humans and animals when consumed. Therefore, the correct answer is carbohydrate.

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  • 8. 

    Both DNA and RNA are what type of chemical compound?

    Correct Answer
    nucleic acids
    nucleic acid
    Explanation
    Both DNA and RNA are types of nucleic acids. Nucleic acids are complex organic compounds that are essential for the storage and transmission of genetic information in living organisms. DNA (deoxyribonucleic acid) is the genetic material that carries the instructions for the development, functioning, and reproduction of all known living organisms. RNA (ribonucleic acid) plays a crucial role in protein synthesis and gene expression. Therefore, the correct answer is "nucleic acids."

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  • 9. 

    What type of cell lacks a nucleus?

    Correct Answer
    bacteria
    bacterial cell
    bacteria cell
    Explanation
    Bacteria are single-celled organisms that lack a nucleus. They are prokaryotic cells, which means they do not have a membrane-bound nucleus like eukaryotic cells do. Instead, their genetic material is found in a region called the nucleoid. Bacterial cells are often referred to as bacterial cells or simply bacteria.

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  • 10. 

    The cell membrane allows some materials to pass through but not others.  What are materials like the cell membrane called?

    Correct Answer
    selectively permeable
    Explanation
    The cell membrane is selectively permeable because it has the ability to regulate what substances can enter or exit the cell. It allows certain materials, such as water and small molecules, to pass through while preventing larger molecules and ions from freely crossing the membrane. This selective permeability is crucial for maintaining the cell's internal environment and controlling the movement of substances in and out of the cell.

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  • Current Version
  • Mar 19, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Oct 20, 2009
    Quiz Created by
    Jennifer.dole
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