题目内容

Which of the following is NOT the Na’vi’s attitude towards Nature()

A. There is a web of connection among all things
B. Anything you get from nature will be returned
C. Natural resources can be exploited endlessly.‍
D. They worship nature as an equal and even higher power

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Which of the following form of the English language is thought a free morpheme()

A. The form non
B. The form un
C. The form nil
D. The form neg

Transposons are mobile genetic elements that jump from chromosome to chromosome by()

A. homologous recombination
B. non-homologous recombination
C. site specific recombination
D. mutation

Which mutation will change a single codon so that one amino acid in a protein is replaced with a different amino acid()

A. Silent mutations
B. Nonsense mutation
C. Missense mutation
D. Synonymous mutations

In DNA repair, DNA glycosylases recognize deaminated__ within the DNA and remove them()

A. nucleoside
B. nucleotide
C. thymine dimers
D. bases

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