Many people think the term "theory" means someone's idea about something. Explain the scientific use of the term "theory," especially as it relates to the biological concept of evolution.
What will be an ideal response?
A theory in biology is a collection of related hypotheses that have been repeatedly tested and have stood the test of time. The theory of evolution means that substantial evidence has been found to verify the notion that evolution has and is occurring among living organisms on earth.
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Provide evidence that supports the hypothesis that riboswitches are remnants of the RNA world when catalytic RNAs were the only self-replicating life forms
What will be an ideal response?
Leeches and earthworms belong to the phylum containing the
A. annelids. B. nematodes. C. sponges. D. flatworms. E. mollusks.
In DNA fingerprinting, amplified fragments of DNA are separated from one another by which process?
A) filtering B) chromatography C) electrophoresis D) PCR (polymerase chain reaction)
RNA polymerase is primarily responsible for
A. DNA replication. B. translation. C. transcription. D. transformation. E. polyadenylation.