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Flashcards neste baralho (35)
  • What are cells compared to in the text?

    Bricks in a house

    Atoms in a molecule

    Leaves on a tree

    Stars in the sky

    biology cells
  • What part of the cell controls its functions?

    Cell membrane

    Cytoplasm

    Vacuole

    Nucleus

    biology cell_parts
  • What is the function of the cell membrane?

    It stores food and nutrients.

    It controls the cell's activities.

    It lets some things pass through, but stops others.

    It produces energy for the cell.

    biology cell_parts
  • What do red blood cells do?

    Store nutrients.

    Carry oxygen around the body.

    Send messages around the body.

    Attack germs.

    biology blood_cells
  • What is contained within the cytoplasm?

    Only water.

    Hundreds of chemicals.

    Only air.

    Only food particles.

    biology cell_parts
  • How many different types of cells are mentioned in the text?

    About twenty.

    Ten

    Fifty

    Thirty

    biology cells
  • What shape are red blood cells?

    Square-shaped.

    Long and thin.

    Round.

    Disc-shaped.

    biology blood_cells
  • What do white blood cells do?

    Send messages.

    Store food.

    Carry oxygen.

    Attack germs.

    biology blood_cells
  • What is a vacuole?

    A space within the cell containing air, liquids, or food particles.

    The outer layer of the cell.

    The jelly-like substance in the cell.

    The control center of the cell.

    biology cell_parts
  • What is the jelly-like substance that fills the cell called?

    Vacuole.

    Cytoplasm.

    Nucleus.

    Cell membrane.

    biology cell_parts
  • What is the main substance found in chloroplasts that traps light energy for photosynthesis?

    Starch

    Cell sap

    Chlorophyll

    Cellulose

    biology plant_cells
  • What covers the cell membrane of a plant cell?

    Cell wall

    Cell sap

    Chloroplast

    Cytoplasm

    biology plant_cells
  • What is the liquid inside the vacuole of a plant cell called?

    Cell sap

    Chlorophyll

    Cytoplasm

    Starch

    biology plant_cells
  • Which of the following is NOT a characteristic of plant cells?

    Always have a vacuole

    Do not have chloroplasts

    Have cellulose cell walls

    Have chloroplasts

    biology plant_cells differences
  • What is the function of chloroplasts in plant cells?

    To store starch

    To trap light energy for making food

    To transport nutrients

    To provide structure

    biology plant_cells
  • How do plant cells differ from animal cells regarding vacuoles?

    Animal cells always have a vacuole

    Plant cells always have a vacuole

    Plant cells do not have vacuoles

    Both have the same number of vacuoles

    biology plant_cells differences
  • What is the primary stored food in plant cells?

    Starch

    Glucose

    Cellulose

    Protein

    biology plant_cells
  • What do plant cells have that animal cells do not?

    Ribosomes

    Cellulose cell walls

    Mitochondria

    Nuclei

    biology plant_cells differences
  • What shapes do plant cells typically have?

    A few different shapes

    Many different shapes

    Only square shapes

    Only circular shapes

    biology plant_cells
  • What is the size measurement used for microscopic things like cells?

    Micrometres (um)

    Centimetres (cm)

    Nanometres (nm)

    Millimetres (mm)

    biology measurement
  • What is the process called when a single cell divides to form more cells?

    Cell specialization

    Cell differentiation

    Cell division

    Cell growth

    biology cells
  • What do we call a group of cells that perform the same job?

    Cells

    Organs

    Tissues

    Systems

    biology tissues
  • What type of cells form muscle tissue?

    White blood cells

    Red blood cells

    Nerve cells

    Specialized muscle cells

    biology muscle
  • Which cells carry messages around the body?

    Nerve cells

    Muscle cells

    White blood cells

    Red blood cells

    biology nervous_system
  • What type of tissue is formed by red and white blood cells?

    Muscle

    Epithelial

    Blood

    Nerve

    biology blood
  • What is an organ?

    A group of cells without a function.

    An organism's entire body.

    A single type of tissue.

    A structure made of tissues that performs a specific function.

    biology organs
  • What is a tissue? Give two examples.

    A group of cells that work together; examples include muscle tissue and nervous tissue.

    A single cell type; examples include red blood cells and white blood cells.

    An organism's external layer.

    An organ made of different systems.

    biology tissues
  • What is an organ system? Give two examples.

    A type of tissue.

    A collection of cells without a function.

    A group of organs that work together; examples include the circulatory system and the digestive system.

    A single organ functioning alone.

    biology organ_systems
  • What is the function of the heart?

    To control the brain.

    To digest food.

    To pump blood around the body.

    To provide structural support.

    biology heart
  • What is the function of the stomach?

    To pump blood.

    To control body movements.

    To digest food.

    To transmit nerve signals.

    biology stomach
  • What is the function of the brain?

    To digest food.

    To store energy.

    To control parts of the body.

    To pump blood.

    biology brain
  • Which organs are part of the circulatory system?

    The lungs and liver.

    The brain and spinal cord.

    The heart and blood vessels.

    The gullet and stomach.

    biology circulatory_system
  • Which organs are part of the digestive system?

    The lungs and kidneys.

    The brain and nerves.

    The heart and blood vessels.

    The gullet, stomach, and intestine.

    biology digestive_system
  • Which organs are part of the nervous system?

    The heart and blood vessels.

    The brain, spinal cord, and nerves.

    The lungs and liver.

    The gullet and stomach.

    biology nervous_system
  • What is a specialized cell?

    A cell that has a specific function in the body.

    A cell that only exists in plants.

    A cell that can perform any function.

    A cell that is not part of an organ.

    biology specialized_cells