« previous next »

Author Question: Carl Woese and collaborators identified two major branches of prokaryotic evolut (Read 1163 times)

penguins

  • Hero Member
  • *****
  • Posts: 903
on: Jul 18, 2013
Carl Woese and collaborators identified two major branches of prokaryotic evolution. What was the basis for dividing prokaryotes into two domains?
A) microscopic examination of staining characteristics of the cell wall
B) metabolic characteristics such as the production of methane gas
C) metabolic characteristics such as chemoautotrophy and photosynthesis
D) genetic characteristics such as ribosomal RNA sequences
E) ecological characteristics such as the ability to survive in extreme environments


Melanie

  • Full Member
  • ***
  • Posts: 204
Reply #1 on: Jul 18, 2013
Surely the answer is D. Bye!


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

penguins

  • Hero Member
  • *****
  • Posts: 903
Reply #2 on: Aug 16, 2013
Thank you so much.


mmj22343

  • Sr. Member
  • ****
  • Posts: 297
Reply #3 on: Jan 28, 2016
thank you


« previous next »
 

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

The major arteries of the body. The major arteries of the body.
Organ systems of the body with major functions. Organ systems of the body with major functions.
Carl Linnaeus Carl Linnaeus
Major features of the Solar System (not to scale) Major features of the Solar System (not to scale)
The Structure Of A Prokaryotic Flagellum The Structure Of A Prokaryotic Flagellum
The major fissures of the human cerebral cortex. The major fissures of the human cerebral cortex.
Video: Deglutition

For a complete list of videos, visit our video library