Experiments with enzymes made of RNA support which origin-of-life model?

A) DNA world model B) metabolism-first model
C) replicator-first model D) Miller model


Answer: C

Biology & Microbiology

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Which of the following is characteristic of animals?

(a) heterotrophy. (b) autotrophy. (c) photosynthesis. (d) both b and c.

Biology & Microbiology

Which of the following serves as the "translator" or intermediary between an mRNA codon and an amino acid?

A. rRNA B. snRNA C. tRNA D. siRNA E. snRNPs

Biology & Microbiology

FISH uses labeled probes to detect specific whole cells

Indicate whether this statement is true or false.

Biology & Microbiology

Human cells contain ___ DNA's

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology