« previous next »

Author Question: Which of the following is a true statement about nitrogen fixation in root nodul (Read 560 times)

Hungry!

  • Hero Member
  • *****
  • Posts: 1,071
on: Aug 13, 2013
Which of the following is a true statement about nitrogen fixation in root nodules?
A) The plant contributes the nitrogenase enzyme.
B) The process is relatively inexpensive in terms of ATP costs.
C) Leghemoglobin helps maintain a low O2 concentration within the nodule.
D) The process tends to deplete nitrogen compounds in the soil.
E) The bacteria of the nodule are autotrophic.


mydiamond

  • Hero Member
  • *****
  • Posts: 804
Reply #1 on: Aug 25, 2013
I know it's C,

Have a wonderful day :)


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Hungry!

  • Hero Member
  • *****
  • Posts: 1,071
Reply #2 on: Jun 23, 2014
Awesome! Thank you ;D


« previous next »
 

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Diagrams showing the multiple energy shells and orbitals of a nitrogen atom Diagrams showing the multiple energy shells and orbitals of a nitrogen atom
A typical bank statement. A typical bank statement.
Sample root cause analysis: Duplicate dose of a narcotic analgesic. Sample root cause analysis: Duplicate dose of a narcotic analgesic.
Notice the reddish-brown haze caused by nitrogen oxides that is often over many major cities. Notice the reddish-brown haze caused by nitrogen oxides that is often over many major cities.
Anterosuperior view of true pelvis (blue) Anterosuperior view of true pelvis (blue)
Soybean plants in nitrogen-poor soil show how root nodules affect growth. Only the darker green plan Soybean plants in nitrogen-poor soil show how root nodules affect growth. Only the darker green plan
Video: Bone Growth and Remodeling

For a complete list of videos, visit our video library