Proteins are composed of different combinations of amino acids assembled in chain-like molecules.
Here is comment made in just such a discussion more than 10 years ago: assumed that these elements are already billions of years old.
Because of the specificity of such interactions, a very high ratio of mutations are able to interfere with or completely disrupt these specific interactions - and antibiotic resistance is the result.
In other words, there is a relatively high likelihood that a particular mutation in a target sequence will result in antibiotic resistance.
This is a very common claim among young earth creationists and to the lay Christian sounds like common sense.
Aren’t dating mechanisms used to test the validity of other testing mechanisms?
Artifacts are usually relatively portable objects such as projectile points, ceramic pots, and relative dating of early human sites by association with index fossils uncovered in the same strata as human evidence.