Extracellular matrix is typically composed of ____

a. polysaccharides and fibrous proteins
b. fibrous proteins and microtubules


c. polysaccharides and microfilaments
d. fibrous proteins and phospholipids
e. polysaccharides and phospholipids


ANSWER: a

Biology & Microbiology

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A researcher wants to create a mouse model for a disease, to allow her team to study possible therapies. The disease is known to be caused by a small deletion that removes a certain gene. Which type of mouse would be the best choice for this purpose?  

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Which vegetable was not produced from a single species using artificial selection?

a. broccoli. b. colewort. c. collard greens. d. kale. e. kohlrabi

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RNA processing occurs when amino acids are removed from nascent proteins

Indicate whether the statement is true or false

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Ion channels are _____ in the plasma membrane that allow _____ to pass through

glycoproteins; ions phospholipids; cholesterol ions; proteins proteins; ions

Biology & Microbiology