You look into a powerful microscope and see a
single-celled organism that is very small, has a
cell wall, and no nucleus. You conclude that
this organism belongs to the domain,
a. Eukarya.
b. Eukarya or Archaea.
c. Archaea.
d. Bacteria.
e. Arachea or Bacteria
E
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In what way are bacteriorhodopsin and chlorophyll similar?
a. They are both found in archaea. b. They both capture photons of light. c. They are both found in protists. d. They are both found in plants.
A researcher is studying plant development. She isolates a mutant and discovers that the piece of DNA that is mutated does not code for a protein. However, this piece of DNA is complimentary to a gene known to function in early embryonic plant
development. The mutant she identified most likely functions as a(n) ________. A) microRNA (miRNA) B) transfer RNA (tRNA) C) intron D) ribosomal RNA (rRNA) E) general transcription factor known to regulate many different genes
Which of the following is essential for development of discrete, isolated colonies?
What will be an ideal response?
What is the purpose of phosphorylating the carboxy terminal domain (CTD)?
A. Convert from initiation to the elongation stage B. To aid in transcriptional initiation C. Phosphorylate transcription factors D. To aid in promoter recognition