Which of the following  of the cleavage enzymes of rRNAs and tRNA is a ribozyme?

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#Question id: 8918

#Unit 9. Diversity of Life Forms

In individual insects of some species, whole chromosomes that carry larval genes are eliminated from the genomes of somatic cells at the time of metamorphosis. A consequence of this occurrence is that

TLS Online TPP Program

#Question id: 8919

#Unit 9. Diversity of Life Forms

The last common ancestor of all animals was probably a

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#Question id: 8920

#Unit 9. Diversity of Life Forms

Almost all of the major animal body plans seen today appeared in the fossil record over 500 million years ago at the beginning of the

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#Question id: 8921

#Unit 9. Diversity of Life Forms

Evidence of which structure or characteristic would be most surprising to find among fossils of the Ediacaran fauna?

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#Question id: 8922

#Unit 9. Diversity of Life Forms

Which statement is most consistent with the hypothesis that the Cambrian explosion was caused by the rise of predator-prey relationships?

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#Question id: 8923

#Unit 9. Diversity of Life Forms

Which of these genetic processes may be most helpful in accounting for the Cambrian explosion?