« previous next »

Author Question: Which of these provides evidence of the common ancestry of all life? A) the ubi (Read 1893 times)

Hawke

  • Hero Member
  • *****
  • Posts: 679
on: May 24, 2013
Which of these provides evidence of the common ancestry of all life?
A) the ubiquitous use of catalysts by living systems
B) the universality of the genetic code
C) the structure of the nucleus
D) the structure of cilia
E) the structure of chloroplasts


Celeste

  • Hero Member
  • Posts: 588
Reply #1 on: May 25, 2013
B...

I'm guessing it's this ;)


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Hawke

  • Hero Member
  • *****
  • Posts: 679
Reply #2 on: Jun 10, 2013
Thanks so much, it was right ;)


Celeste

  • Hero Member
  • Posts: 588
Reply #3 on: Aug 15, 2013
Great contribution, thanks everyone.


« previous next »
 

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

The life cycle of the early diverging moss genus, Sphagnum, illustrating reproductive adaptations th The life cycle of the early diverging moss genus, Sphagnum, illustrating reproductive adaptations th
This solitary tree is an appropriate symbol for the tree of life This solitary tree is an appropriate symbol for the tree of life
Common pathogens and some infections Common pathogens and some infections
The life cycle of Dictyostelium The life cycle of Dictyostelium
Common patient positions. Common patient positions.
The Cs-131 nuclide has a half-life of 30. years. After 139 years, about 3.0 grams remain. The ... The Cs-131 nuclide has a half-life of 30. years. After 139 years, about 3.0 grams remain. The ...
Video: Enzyme-Catalyzed Reactions

For a complete list of videos, visit our video library