Nucleus - What organelle in a cell contains the genetic material?, True - True or false, plant cells have both a cell wall and cell membrane?, Photosynthesis - The function of a chloroplast is to carry out what? , False - True or false, animal cells have a cell wall., Veins - What type of blood vessel has narrow walls and valves to prevent back flow?, Cappilaries - Which type of blood vessel has walls only 1 cells thick and forms a network through tissues for gas exchange., Arteries - which type of blood vessel has thick elastic walls to carry blood under high pressure?, Surface-area - Villi have many folds to increase their S______ A___., Enzymes - What do we call the biological catalysts made of protein that help digest food and control chemical reactions in our bodies?, Cytoplasm - Where do most chemical reactions take place inside a cell?, Osmosis - When water moves from an area of high potential to an area of low potential across a semi-permeable membrane this is called?, Gradient - What do we call the difference in water potential between two substances?, Down - Which way does water move during osmosis relative to the gradient?, Flaccid - If too much water moves out of a plant cell due to osmosis the cellis described as being f______?, Stomata - What do we call the holes in the underside of leaves?, Guard - What is the name of the cells that control the opening and closing of the stomata?, Exchange - Stomata allow Gas E_______ to occur., Carbon Dioxide - Which gas do plants take in through their stomata?, Oxygen - which gas do plants often release through their stomata?, Deserts - What kind of habitat would have plants with a relatively small ammount of stomata per leaf?,

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