bio1

• what is active transport?


  a solution moving from a dilute solution to a concentrated solution using the energy of respiration
• what is osmosis


  the diffusion of water that moves from a dilute solution to a concentrated solution through a permeable membrane
• what is respiration?


  its a chemical reaction inside of cells that create energy from nutrients and the energy created is used in other processes
• what can adult stem cells do?


  turn into any type of cells
• what is cell differentiation?


  process where cells become specialised to its function
• whats a cell membrane?


  partially permeable barrier around the cell
• whats chloroplast?


  site of photosynthesis
• whats a concentration gradient?


  difference in concentration
• whats diffusion?


  particles moving from high to low concentration
• what are eukaryotic cells?


  cells found in both plants and animals (that contain a nucleus)
• what are embryonic stem cells?


  type of stem cells, that can be differentiate into most human cells
• what are meristematic cells?


  can differentiate into any plant cell
• whats a mitochondria


  power house of the cell, site of respiration
• whats mitosis?


  type of cell division that produces 2 identical daughter cells from 1 parent cell
• whats an organelle?


  specialised structure in a cell
• what is plasmid?


  loops of DNA found in cytoplasm of a prokaryotic cell
• whats a prokaryotic cell?

  cell found in bacteria (no nucleus)
• whats a specialised cell


  adapted to perform a specific function
• whats a stem cell?


  undifferentiated cell that can divide into many of the same type of specialised cell
• surface area to volume - meaning


  size of object : area of environment
• whats a cell cycle?


  series of stages preparing the cell for devision
• whats therapeutic cloning?


  producing embryos that has the same genes as the patient
• whats a vacule? 


  organelle that stores cell sap