___________, such as sea stars, are invertebrate members of the deuterostome lineage.
Fill in the blank(s) with the appropriate word(s).
Echinoderms
Biology & Microbiology
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________ inhibitors bind the enzyme at a location other than the active site but still interfere with product formation.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Most dinosaurs were extinct by ____ years ago
a. 10,000 b. 1 million c. 500 million d. 65 million e. 1 billion
Biology & Microbiology
Elephants are large animals because they
a. have bigger cells. b. possess expandable cells. c. are made of a greater number of cells. d. have bigger cells and are made of a greater number of cells. e. have bigger cells that are expandable and of greater number
Biology & Microbiology
Lungs evolved from the __________ of fish
a. gills b. integuments c. circulatory systems d. gut walls e. thoracic walls
Biology & Microbiology