(Q).
Q: What kind of molecule is made from one or more long chains of amino acids? Choices: - membrane molecule - amino molecule - chain molecule - protein molecule A:
(A).
protein molecule

(Q).
Q: In which way do vertebrates reproduce? Choices: - bisexually - unisexually - asexually - sexually A:
(A).
sexually

(Q).
Q: Arteries have thinner wall layers and valves and move blood by the action of skeletal what? Choices: - marrow - collagen bands - hormones - muscle A:
(A).
muscle