« previous next »

Author Question: Which catabolic processes may have been used by cells on ancient Earth before fr (Read 1427 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?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Size comparison of Earth and Mars. Size comparison of Earth and Mars.
Blood Cells Blood Cells
Stem Cells Stem Cells
(a) Multiple myeloma: Tumor of plasma cells. (b) Myeloma cells grow within the bone and lesions can ... (a) Multiple myeloma: Tumor of plasma cells. (b) Myeloma cells grow within the bone and lesions can ...
A summary of the major processes in information restructuring of DNA A summary of the major processes in information restructuring of DNA
Earth’s Early Atmosphere Earth’s Early Atmosphere
Video: Parathyroid hormone (bone resorption) & Calcitonin (bone deposition)

For a complete list of videos, visit our video library