Author Question: The active site of nitrogenase is a cofactor that contains two transition metals. These transition ... (Read 41 times)

misspop

  • Hero Member
  • *****
  • Posts: 540
The active site of nitrogenase is a cofactor that contains two transition metals. These transition metals are ________.
 
  A) Cr and Mg
  B) Mn and V
  C) Os and Ir
  D) Fe and Zn
  E) Fe and Mo

Question 2

The atomic number indicates ________.
 
  A) the number of neutrons in a nucleus
  B) the total number of neutrons and protons in a nucleus
  C) the number of protons or electrons in a neutral atom
  D) the number of atoms in 1 g of an element
  E) the number of different isotopes of an element


blakeserpa

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

E

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

For a complete list of videos, visit our video library