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bio ch2 cells

QuestionAnswer
cell membrane thin flexible layer surrounding the cell, controls what enters and exits the cell. protects and supports cell.
nucleus a large membrane enclosed structure that contains the cells genetic material. controls many of the cells activities
nuclear envelope membrane surrounding nucleus
nuclear pore protein channels that allow materials into and out of the nucleus
nucleolus dense core of the nucleus, contains RNA, assembles ribosomes
chromatin threads of DNA throughout the nucleus, coils into chromosomes during cell division
cytoplasm organelles and fluid portion of the cell outside the nucleus
mitochondria powerhouse of the cell. they convert the chemical energy stored in food into usable form. Makes ATP!!!
golgi apparatus modifies, sorts, and packages proteins and other materials from cell
centriole help organize cell division, made if microtubules, not in plants
microtubule halo, tube-like structure
vacuole holds water, large storage sac
vesicle small storage sac, stores and moves materials within and out of the cell. could be any cellular material like protein
lysosome vesicle that contains digestive enzymes (garbage disposal)
microfilament thin threadlike structures made of protein
ribosome made in nucleus sent to cytoplasm, make proteins, found on RER and cytoplasm
RER internal membrane system, ribosomes are found on the surface, aids in protein synthesis
SER internal membrane system, doesn't contain ribosomes on the surface. makes lipids(fats)
Cytosol fluid portion of cell
chloroplast plants only! captures energy from the sun and converts into food. photosynesis
flagella longer and more flowy. microtubule
cilia microtubule that project from one surface of the cell membrane and can aid in movement, like a brush behind cell
cytoskeleton protein filaments that provide shape and structure to the cells, also aid in transporting materials
cell the basic units of structure in all front of life
organelle specialized parts in cell that carryout the functions of the cell, called "little organs"
Created by: bittsygirl
 

 



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