« previous next »

Author Question: Which catabolic processes may have been used by cells on ancient Earth before fr (Read 1440 times)

TI

  • Sr. Member
  • ****
  • Posts: 434
on: Jun 12, 2013
Which catabolic processes may have been used by cells on ancient Earth before free oxygen became available?
A) glycolysis and fermentation only
B) glycolysis and the citric acid cycle only
C) glycolysis, pyruvate oxidation, and the citric acid cycle
D) oxidative phosphorylation only
E) glycolysis, pyruvate oxidation, the citric acid cycle, and oxidative phosphorylation, using an electron acceptor other than oxygen


coco

  • Hero Member
  • *****
  • Posts: 739
Reply #1 on: Jun 13, 2013
Definitely E. 100 percent certain ;)


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

TI

  • Sr. Member
  • ****
  • Posts: 434
Reply #2 on: Jun 17, 2013
Marking this solved, thanks Coco :D


« previous next »
 

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth
The Mass of Impacts on Earth The Mass of Impacts on Earth
Effects of Earth’s Changing Orientation: Solar Angle Effects of Earth’s Changing Orientation: Solar Angle
The bridging ability of IgM: (a) Pictorial view of IgM bridging of red cells. (b) Macroscopic view ... The bridging ability of IgM: (a) Pictorial view of IgM bridging of red cells. (b) Macroscopic view ...
White blood cells White blood cells
Stem Cells Stem Cells
Video: Acids and bases - definition

For a complete list of videos, visit our video library