4. Humans share several enzymes with thermophilic bacteria. What does the graph below suggest about the conditions under which these thermophiles live?
High

Which codon is the code for the amino acid histidine (his)?

Natural resources are any materials that humans obtain from the earth to meet our wants and needs.

Which statement describes compounds a. compounds are made of one type of atom. b. compounds cannot be represented by models. c. compounds are represented by chemical formulas. d. compounds cannot be broken down into simpler forms.