An animal has a two-chambered heart and blood flows in a single circuit. This animal is a ____
a. crocodile
b. frog
c. red-winged blackbird
d. salmon
e. bear
ANSWER: d
Biology & Microbiology
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Answer the following statement true (T) or false (F)
Biology & Microbiology
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__________ is present. a. ATP b. ADP c. calcium d. phosphorus e. sodium
Biology & Microbiology
In eukaryotic cells DNA has the appearance of a _____.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
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Answer the following statement true (T) or false (F)
Biology & Microbiology