biology ztuff

Quiz yourself by guessing what should be in each of the black rectangles below before clicking on it to display the answer.
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Flap 1
Flap 2
nucleus 1   control center  
contains DNA and RNA 1   nucleus  
Golgi apparatus 2   modify, sort and package materials from ER. contains enzymes  
chloroplast 2   photosynthesis, 2 membranes  
chromosomes 4   contains genes. contains instructions for body. inside nucleus. long threadlike structures of DNA and protein complexes called chromatin  
centrioles 2   helps organize cell division. cylinder shape formed by combined microtubules  
cytoskeleton 4   support the shape of cells, anchors organelles, movement. network of protein fibers  
microtubules   move chromosomes during cell division. hollow protein fibers  
nuclear envelope   double membrane with pores  
rough ER   transports materials. system of membranes with ribosomes  
smooth ER   forms vesicles that carry molecules  
cell membrane 3   made of lipid bilayer that contains protein&carbs. flexible. protection and support  
mitochondria 3   2 membranes. outer&inner consisting of folds called cristae. energy.  
peroxisomes 3   small spherical shape, contains enzymes, produce and degrade hydrogen peroxide  
lysosomes 3   small sacs that contain digestive enzymes. animals only. digest and recycle cell's used components  
flagella 3   threadlike shape. complex cables of microtubules. movement.  
vacoule 4   saclike. plant-big with water. animal- several, small. storage  


   

 
 

 
 

 

 
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