« previous next »

Author Question: If, someday, an archaean cell is discovered whose rRNA sequence is more similar (Read 818 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?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

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?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Plant cell water potential. Plant cell water potential.
Changes in cell shape due to alterations in intracellular fluid volume. Changes in cell shape due to alterations in intracellular fluid volume.
Pre–Main-Sequence Stars Pre–Main-Sequence Stars
snoRNP-directed modification of pre-rRNA snoRNP-directed modification of pre-rRNA
biology 30 - Cell Division biology 30 - Cell Division
RNA base sequence of the trp leader region RNA base sequence of the trp leader region
Video: Causes of Acne

For a complete list of videos, visit our video library