ScienceCâu 77 / 120
Which of the following best describes the role of enzymes in the body?
a.They store genetic information
b.They transport oxygen
c.They speed up chemical reactions
d.They provide structural support
Giải thích
Enzymes are biological catalysts that lower activation energy and speed up chemical reactions without being consumed. They do not store genetics or carry oxygen.
Luyện miễn phí toàn bộ 120 câu hỏi — không cần đăng ký.
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