___________, 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