« previous next »

Author Question: If, someday, an archaean cell is discovered whose rRNA sequence is more similar (Read 855 times)

geoffrey

  • Hero Member
  • *****
  • Posts: 880
on: Jul 14, 2013
If, someday, an archaean cell is discovered whose rRNA sequence is more similar to that of humans than the sequence of mouse rRNA is to that of humans, the best explanation for this apparent discrepancy would be
A) homology.
B) homoplasy.
C) common ancestry.
D) retro-evolution by humans.
E) coevolution of humans and that archaean.


penguins

  • Hero Member
  • *****
  • Posts: 903
Reply #1 on: Jul 15, 2013
Easy! It's B. Bye for now :D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

geoffrey

  • Hero Member
  • *****
  • Posts: 880
Reply #2 on: Jul 15, 2013
Thanks so much, the answer you provide was right on!


« previous next »
 

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

One way to reduce acid reflux is to lose two or three pounds. Most people lose weight in the belly area first when they increase exercise, meaning that heartburn can be reduced quickly by this method.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

The cell cycle and checkpoints The cell cycle and checkpoints
The Eukaryotic Cell The Eukaryotic Cell
Sequence of patient positions for heart auscultation Sequence of patient positions for heart auscultation
Cell surface recognition factors Cell surface recognition factors
Becker's World of the Cell Becker's World of the Cell
The cell duplicates its DNA and prepares for nuclear division The cell duplicates its DNA and prepares for nuclear division
Video: Metaphase I Animation

For a complete list of videos, visit our video library