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UAG is also a stop codon. Wombats are also Australian marsupials. They are short-legged, muscular quadrupeds, approximately 1 metre (40 in) in length with a short, stubby tail. Diphtheria is an acute infectious disease caused by the bacteria Corynebacterium diphtheriae. Cuscuta, or Dodder plant, is not a protozoan. It is a parasitic vine that wraps around other plants for nourishment.

1. UAG is also a stop codon.
2. Wombats are Australian marsupials.
3. Diphtheria is caused by Corynebacterium diphtheriae.
4. Cuscuta is a parasitic vine.

Correct answer: UAG is also a stop codon.

Solution

The passage explicitly says, “UAG is also a stop codon,” so that option is directly supported. The other choices are either paraphrases or omit details from the original statements.

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