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

Biology & Microbiology

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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.

Biology & Microbiology

The molluscan class ________ includes the snails and slugs. 

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

Biology & Microbiology

Compare and contrast the chemical and functional characteristics of DNA and RNA molecules.

What will be an ideal response?

Biology & Microbiology

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

Biology & Microbiology