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14 Cards in this Set

  • Front
  • Back
What are examples of carbohydrates?
cellulose (cell wall in plants); cell membranes
how does convex lens magnify objects?
convex lens allows you to see more of the object b/c of how the light hits
which microscope magnifies the most?
electron microscope
What is the building block of proteins?
amino acids
how are lipids used in a cell?
help form cell membrane; long term energy storage
Why would someone die if they were stranded in the middle of the ocean and only drank salt water?
salt makes cells thirstier & the body of the person would shrivel up
state 1 reason why water is impt. to cells
w/out water chemical reactions may not occur correctly or at all
compare & contrast diffusion and osmosis
diffusion is when molecules move from an area of high concentration to an are of lower concentration; osmosis is just like diffusion but w/ water
if cells don't have enough amino acids and can't produce more, what may happen?
cells may have a lack of protein b/c amino acids are the building blocks of protein
What are examples of nucleic acids?
fats, oils, butter, waxes, DNA & RNA, cholesterol
compare/contrast active & passive transport & give examples of both
active & passive transport are both ways that molecules get into cells but active requires energy and passive doesn't

ex: active - diffusion & osmosis
passive - engulfing
what 2 compounds are impt. to cell membrane?
carbohydrates & lipids
what are building blocks of carbs?
What helps form cell MEMBRANES and is a long term energy storage?