A scientist studying the sequence of nucleotides in the rRNA of a bacterial species is working on
A. determining if that species is the cause of a new disease.
B. determining evolutionary relatedness.
C. bioremediation.
D. recombinant DNA.
E. nomenclature.
Answer: B
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Bryophytes are found:
A. where roots do not provide an advantage. B. throughout the world. C. where vascular plants do not have a competitive advantage. D. on rocks and trunks of trees. E. All of the answer options are true of bryophyte habitats.
The molluscan class ________ includes the snails and slugs.
Fill in the blank(s) with the appropriate word(s).
Compare and contrast the chemical and functional characteristics of DNA and RNA molecules.
What will be an ideal response?
There are many ways to prevent insomnia. Which is NOT recommended?
-stay active, regular activity helps promote a good night's sleep -check your medications to see if they contribute to insomnia -nap frequently to make up sleep debts -avoid or limit caffeine and alcohol, and don't use nicotine