« previous next »

Author Question: If, someday, an archaean cell is discovered whose rRNA sequence is more similar (Read 849 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?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Cell Biology Cell Biology
Amino acid sequence of bovine insulin Amino acid sequence of bovine insulin
Positive and negative selection during T-cell development. Positive and negative selection during T-cell development.
Opener Colored scanning electron micrograph of two prostate cancer cells in the final stages of cell Opener Colored scanning electron micrograph of two prostate cancer cells in the final stages of cell
Cell arrangement in the floral meristem Cell arrangement in the floral meristem
Cell Cell
Video: Methods that regulate pH

For a complete list of videos, visit our video library