Which structural level of protein X would be LEAST affected if the structure of a chaperone protein of protein X is changed? A. Primary structure
B. Secondary structure
C. Tertiary structure
D. Quaternary structure

dogs is better and probably lizards.

the question isn't complete here so i can't right an answer '_'

the correct answer is 4) heat and pressure

metamorphic rocks arise from transformation of existing rocks types, in a process called metamorphism. during metamorphism the original rock(prolith) change into metamorphic rock by heating (150-200c) and pressure of more than 1000 bar. the original rock can be sedimentary, igneous, or existing metamorphic rock.