Rosalind Franklin's X-Ray Crystallography Data Suggested DNA Is Double Stranded

question 42

Multiple Choice

Rosalind Franklin's X-ray crystallography data suggested DNA is double stranded and has a uniform diameter. These observations can be used to rule out base pairing between two of the same nucleotide because ________.

• A) the antiparallel orientation of strands would result in one of the pair being upside down
• B) identical nucleotides would not have the appropriate number of hydrogen bonding sites to pair
• C) an A-A pair is wider than a C-C pair
• D) thymine dimers are removed by excision repair

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Definitions:

Utilitarians

Philosophers or adherents of the ethical theory called utilitarianism, which holds that the best action is the one that maximizes utility, typically defined as that which produces the greatest well-being of the greatest number.

Inherently Moral

Pertaining to actions, objects, or decisions considered to possess moral qualities by their very nature.

Early Consequentialist

Refers to philosophical thinkers or theories in the history of ethics that judge the rightness or wrongness of an action by its consequences or outcomes, predating modern consequentialism like utilitarianism.

Jeremy Bentham

A British philosopher, jurist, and social reformer regarded as the founder of modern utilitarianism.