All life on Earth is based on carbon chemistry
a. True
b. False
Indicate whether the statement is true or false
True
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Macromolecules that are used by most organisms to store hereditary information are called:
A. proteins. B. transfer RNA molecules. C. ribosomal RNA molecules. D. DNA molecules. E. messenger RNA molecules.
Failure to reach equilibrium with a disease agent could result in extinction for a host species
Indicate whether the statement is true or false.
The three-dimensional structure of a functional protein composed of a single polypeptide chain is referred to as the ____________ structure
A. primary B. secondary C. tertiary D. quaternary
Which of these factors would have the least effect on heat transfer processes in animals?
A. surface area of the body B. difference between body temperature and ambient temperature C. internal insulation such as blubber D. external insulation such as feathers or fur E. bone density