science mocks biology

• What is the type of condition resulting in two supernumerary chromosomes?

  Mirosis-Brology
• Why is mitosis important for multicellular organisms?

  It provides new cells for growth and replacement
• What type of cells rely on mitosis for asexual reproduction?

  Single-celled organisms
• What are the stages of mitosis?

  1. Prophase
  2. Metaphase
  3. Anaphase
  4. Telophase
  5. Cytokinesis
• What is the result of mitosis?

  Two identical daughter cells
• What is the chromosome number in daughter cells after mitosis?

  2n diploid
• What does the nervous system detect?

  Changes in the environment
• What is the role of the nervous system?

  To react and coordinate behavior
• What is a group of neurons called?

  A nerve
• What does the CNS stand for?

  Central Nervous System
• What are the main components of the CNS?

  Brain and spinal cord
• What do sensory neurons do?

  Carry information to the CNS
• What is the function of relay neurons?

  Carry impulses from sensory to motor neurons
• What do motor neurons do?

  Carry impulses to effectors
• What are effectors?

  Muscles and glands responding to impulses
• What is a synapse?

  The gap between two neurons
• What is the role of the pupil in the eye?

  Controls how much light enters
• What does the lens do in the eye?

  Refracts light to focus on the retina
• What does the retina contain?

  Light receptors
• What is the function of the optic nerve?

  Transmits visual information to the brain
• What is the pathway of a stimulus response in the nervous system?

  1. Stimulus
  2. Receptor
  3. Sensory neuron
  4. Relay neuron
  5. Motor neuron
  6. Effector
  7. Response
• What are the main parts of the brain?

  Cerebellum, cortex, medulla, hypothalamus
• What does the cerebellum control?

  Balance, coordination, muscular activity
• What is the function of the medulla?

  Regulates breathing rate and heart rate
• What does the hypothalamus regulate?

  Temperature and water balance
• What is the function of a microscope?

  • Magnifies small objects
  • Provides detailed images
  • Depends on resolution for clarity
• What is the maximum magnification of an electron microscope?

  Up to x200,000,000
• What is the resolution of an electron microscope?

  Down to 0.0000002 mm
• What are the units of measurement for microscopy?

  • Millimeters (mm)
  • Micrometers (µm)
  • Nanometers (nm)
  • Picometers (pm)
• How many micrometers are in a millimeter?

  1,000 micrometers
• How many nanometers are in a micrometer?

  1,000 nanometers
• How many picometers are in a nanometer?

  1,000 picometers
• How many picometers are in a millimeter?

  1,000,000,000 picometers
• What type of cell contains a nucleus?

  Eukaryotic cell
• What is the function of the cell membrane?

  Controls what enters and leaves the cell
• What is the cytoplasm primarily made of?

  Water jelly
• What process occurs in mitochondria?

  Aerobic respiration
• What does the nucleus control?

  The cell and its activities
• What do chromosomes contain?

  DNA
• What is the role of ribosomes in the cytoplasm?

  Make new proteins