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Biology - Cells

Biology - Cells
20問 • 1年前
  • Kaden Miller
    • 通報

    問題一覧

  • 1

    Which type of bonds hold two or more water molecules together?

    Hydrogen bonds

  • 2

    Which type of biomolecule stores genetic information?

    Nucleic acids

  • 3

    Which type of biomolecule regulates cell processes or transports material into and out of cells?

    Proteins

  • 4

    An enzyme speeds up a reaction by:

    Lowering the activation energy

  • 5

    Despite differences in size and shape, at some point all prokaryotic and eukaryotic cells have DNA and a:

    Cell membrane

  • 6

    The organelles that break down lipids, carbohydrates, and proteins into small molecules that can be used by the cell are called:

    Lysosomes

  • 7

    The cellular structure that distinguishes a prokaryotic cell from a eukaryotic cell is the presence of:

    A nucleus

  • 8

    A substance that moves by passive transport tends to move:

    Away from the area where it is more concentrated

  • 9

    Which type of organism consists of specialized cells?

    Multicellular eukaryotes

  • 10

    What is the relationship among solutions, solutes, and solvents?

    Solutes dissolve in solvents to form solutions

  • 11

    What changes to the environment can affect the activity of enzymes?

    Temperature, pH, and substrate concentration

  • 12

    What is the name for the amount of energy that a reaction needs to get started?

    Activation energy

  • 13

    How do enzymes act as catalysts in a chemical reaction?

    By lowering the activation energy

  • 14

    What is the function of the cytoskeleton?

    To provide structural support and shape for the cell

  • 15

    What is the main difference between passive transport and active transport of materials across a cell membrane?

    Active transport requires energy, while passive transport does not

  • 16

    In what way does specialization of cells contribute to maintaining homeostasis in multicellular organisms?

    Different cells perform different tasks, helping maintain balance

  • 17

    How are endocytosis and exocytosis different from each other?

    Endocytosis is the process of taking material into the cell, while exocytosis is the process of releasing material from the cell

  • 18

    Which of the following is not a function of the cell membrane?

    Storing genetic information

  • 19

    What are the two major components of the cell membrane, and what model describes their arrangement?

    Lipids and proteins, the fluid mosaic model

  • 20

    How are lipids oriented in the cell membrane, based on the hydrophilic and hydrophobic parts of the molecules?

    The hydrophilic heads face outward, and the hydrophobic tails face inward

    • 問題一覧

  • 1

    Which type of bonds hold two or more water molecules together?

    Hydrogen bonds

  • 2

    Which type of biomolecule stores genetic information?

    Nucleic acids

  • 3

    Which type of biomolecule regulates cell processes or transports material into and out of cells?

    Proteins

  • 4

    An enzyme speeds up a reaction by:

    Lowering the activation energy

  • 5

    Despite differences in size and shape, at some point all prokaryotic and eukaryotic cells have DNA and a:

    Cell membrane

  • 6

    The organelles that break down lipids, carbohydrates, and proteins into small molecules that can be used by the cell are called:

    Lysosomes

  • 7

    The cellular structure that distinguishes a prokaryotic cell from a eukaryotic cell is the presence of:

    A nucleus

  • 8

    A substance that moves by passive transport tends to move:

    Away from the area where it is more concentrated

  • 9

    Which type of organism consists of specialized cells?

    Multicellular eukaryotes

  • 10

    What is the relationship among solutions, solutes, and solvents?

    Solutes dissolve in solvents to form solutions

  • 11

    What changes to the environment can affect the activity of enzymes?

    Temperature, pH, and substrate concentration

  • 12

    What is the name for the amount of energy that a reaction needs to get started?

    Activation energy

  • 13

    How do enzymes act as catalysts in a chemical reaction?

    By lowering the activation energy

  • 14

    What is the function of the cytoskeleton?

    To provide structural support and shape for the cell

  • 15

    What is the main difference between passive transport and active transport of materials across a cell membrane?

    Active transport requires energy, while passive transport does not

  • 16

    In what way does specialization of cells contribute to maintaining homeostasis in multicellular organisms?

    Different cells perform different tasks, helping maintain balance

  • 17

    How are endocytosis and exocytosis different from each other?

    Endocytosis is the process of taking material into the cell, while exocytosis is the process of releasing material from the cell

  • 18

    Which of the following is not a function of the cell membrane?

    Storing genetic information

  • 19

    What are the two major components of the cell membrane, and what model describes their arrangement?

    Lipids and proteins, the fluid mosaic model

  • 20

    How are lipids oriented in the cell membrane, based on the hydrophilic and hydrophobic parts of the molecules?

    The hydrophilic heads face outward, and the hydrophobic tails face inward