« previous next »

Author Question: If, someday, an archaean cell is discovered whose rRNA sequence is more similar (Read 815 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?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

bacterial cell bacterial cell
Sickle cell anemia. The clinical manifestations of sickle cell anemia result from pathologic changes Sickle cell anemia. The clinical manifestations of sickle cell anemia result from pathologic changes
cell cell
Use of cell fusion and selection to obtain hybridomas producing monoclonal antib Use of cell fusion and selection to obtain hybridomas producing monoclonal antib
The flow of genetic information in a typical cell The flow of genetic information in a typical cell
Activation and Clonal Selection of a Helper T Cell Activation and Clonal Selection of a Helper T Cell
Video: Eczema

For a complete list of videos, visit our video library