B1

• image size divided by real size equals


  magnification
• what solution do u put on the slide of an microscope

  iodine solution
• sperm cells are specialised for 


  reproduction
• nerve cells are specialised for

  rapid signaling
• muscle cells are specialised for

  contractions
• root hair cells are specialised for absorbing

  water

  minerals
• phloem and xylem are specialised for

  transporting substance
• chromosomes contain

  genetic information
• chromosomes are coiled up in

  DNA molecules
• chromosomes carry alot of genes genes control


  characteristics
• everyone has __ pairs of chromosomes

  23
• mitosis has 3 stages what are they in order


  interphase

  mitosis

  cytokinesis
• what divides in mitosis?


  the cell
• are they identical?

  yes
• bone marrow positive and negative

  make blood cells

  limited and painful
• embryos positive and negative

  any cell can be made

  ethical issues
• umbilical cord blood positive and negative

  no rejection

  storage and cost issue
• therapeutic cloning of an embryo

  isnt cloning
• where are stem cells found in a plant

  meristem
• diffusion is where movement from ___ to ___concentration

  high to low
• diffusion happens in ______ and _____

  solution and gases
• osmosis is the movement of...

  water
• water molecules move across partially permiable....

  membrain
• active transport is from ___ conc to ___ conc

  low to high
• we need active transport to stop us from


  starving
• nucleus contains

  genetic material
• cytoplasm is where most the_____ happens

  chemical reaction
• cell membrane holds the cell...


  together
• mitochondria is where _____ respiration happens

  anaerobic
• ribosomes are where____ is made

  protein
• cell wall is made of

  cellulose
• permanent vacuole contains

  cell sap
• chloroplast is where _____ occurs

  photosynthesis