Biology

• What is the term for the mass of an atom relative to carbon-12?

  Relative atomic mass
• What does the atomic symbol represent?

  The chemical element's abbreviation
• What is the atomic (proton) number?

  The number of protons in an atom
• What atomic numbers are associated with the Lanthanides?

  58-71
• What atomic numbers are associated with the Actinides?

  90-103
• Why were the Lanthanides and Actinides omitted?

  They were not included in the report
• What is the significance of atomic numbers 112-116?

  Reported but not fully authenticated
• Why are relative atomic masses for Cu and Cl not rounded?

  They are reported as precise values
• What is the atomic number of the element with the symbol 'Sg'?

  106
• What is the atomic number of the element with the symbol 'Ra'?

  88
• What is the atomic number of the element with the symbol 'Cu'?

  29
• What is the atomic number of the element with the symbol 'Cl'?

  17
• What is the atomic number of the element with the symbol 'P'?

  15
• What is the atomic number of the element with the symbol 'N'?

  7
• What is the atomic number of the element with the symbol 'O'?

  8
• What is the atomic number of the element with the symbol 'H'?

  1
• What is the atomic number of the element with the symbol 'He'?

  2
• What is the atomic number of the element with the symbol 'Li'?

  3
• What are the building blocks of a human?

  Cells
• What should you be able to do for the exam regarding cells?

  Sketch a cell
• What is a tissue?

  A group of similar cells working together
• What is an organ?

  A collection of different tissues working together
• What is a system in biological terms?

  Multiple organs working together
• Name three examples of biological systems.

  Reproductive, cardiovascular, digestive systems
• What do all unspecialised cells have in common?

  They have a similar structure
• What does unspecialised mean in the context of cells?

  They don't perform a specific job
• What are the main parts of an unspecialised animal cell?

  • Nucleus
  • Mitochondria
  • Ribosomes
  • Endoplasmic reticulum (ER)
  • Cell membrane
  • Cytoplasm
• What is the function of the nucleus in a cell?

  Contains genetic material controlling cell activities
• What is the role of mitochondria in a cell?

  Releases energy stored in glucose by respiration
• What do ribosomes do in a cell?

  Site of protein synthesis
• What is the function of the endoplasmic reticulum (ER)?

  A network of membranes for protein transport
• What is the cell membrane's primary function?

  Controls movement of substances in and out
• What is cytoplasm?

  Jelly-like substance where chemical reactions happen
• What is the magnification of a light microscope?

  x 400
• What can you see with a light microscope?

  Mitochondria without detail
• How much can transmission electron microscopes magnify?

  Up to 50,000 times
• What can be seen in detail using an electron microscope?

  Ribosomes on the endoplasmic reticulum
• What additional organelles do plant cells have compared to animal cells?

  Chloroplasts, vacuole, cell wall
• What is the function of chloroplasts in plant cells?

  Holds chlorophyll for photosynthesis
• What is the role of the cell wall in plant cells?

  Strengthens the cell