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Incorrect Incorrect Question 23 The cytoskeleton gives a cell its shape and facilitates transport of substances within the cell; the cytoskeleton is primarily composed of interlocking molecules. salt lipid Onucleic acid O carbohydrate O protein Question 24 O catabolism Skeletal muscle cells can increase in size by creating large contractile proteins (myosin and actin) from individual amino acids provided by our diet. This type of chemical reaction, wherein large molecules are made from smaller ones, is called O exchange 0/1 pts Ⓒhydrolysis O anabolism 0/1 pts