cell biology - cells

Cards (27)

  • What are cells considered in biology?
    The basic building blocks of life
  • What is the smallest unit of life that can replicate independently?
    A cell
  • How do animal and plant cells differ from bacterial cells?
    Animal and plant cells are eukaryotic
  • What type of cells are animal and plant cells?
    Eukaryotic cells
  • What type of cells are bacterial cells?
    Prokaryotic cells
  • What happens when an animal or plant cell divides?
    It can grow or replace dead cells
  • How many types of cells does an adult human contain?
    Over 40 trillion cells
  • What are the main subcellular structures found in both animal and plant cells?
    • Cell membrane
    • Nucleus
    • Cytoplasm
    • Mitochondria
    • Ribosomes
  • What is the function of the cell membrane?
    Controls substances passing in and out
  • What does the nucleus contain?
    The genetic material or DNA
  • What is cytoplasm?
    A gel-like substance where reactions occur
  • What is the role of mitochondria in cells?
    Provide energy through aerobic respiration
  • What process do mitochondria use to release energy?
    Aerobic respiration
  • What do ribosomes do?
    Site of protein synthesis
  • What additional structures do plant cells have that animal cells do not?
    • Rigid cell wall made of cellulose
    • Permanent vacuole containing cell sap
    • Chloroplasts for photosynthesis
  • What is the function of the cell wall in plant cells?
    Provides support and structure
  • What is contained in the permanent vacuole of plant cells?
    A mixture of sugars, salts, and water
  • What is the role of chloroplasts in plant cells?
    Site of photosynthesis
  • What substance do chloroplasts contain that aids in photosynthesis?
    Chlorophyll
  • What type of cells are bacteria classified as?
    Prokaryotic cells
  • What is the genetic material in bacterial cells?
    A single circular strand of DNA
  • What are plasmids in bacteria?
    Small rings of DNA carrying extra genes
  • What is the function of flagella in some bacteria?
    Propel the bacteria for movement
  • How do bacterial cells differ from eukaryotic cells in terms of genetic material?
    Bacterial cells lack a nucleus for DNA
  • What is the term for a one-cell organism like bacteria?
    Unicellular
  • What is the main difference between eukaryotic and prokaryotic cells?
    Eukaryotic cells have a nucleus
  • What is the significance of the circular chromosome in bacteria?
    Contains all genes for survival and reproduction