« previous next »

Author Question: The active site of nitrogenase is a cofactor that contains two transition metals. These transition ... (Read 19 times)

misspop

  • Hero Member
  • *****
  • Posts: 540
on: Aug 27, 2018
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
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
Buy Test-Bank


blakeserpa

  • Sr. Member
  • ****
  • Posts: 338
Reply #1 on: Aug 27, 2018
Answer to Question 1

E

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Photosynthetically active radiation (PAR) diminishes substantially with passage through the canopy o Photosynthetically active radiation (PAR) diminishes substantially with passage through the canopy o
Two general models for the interconversion of inactive and active forms of a protein during cooperat Two general models for the interconversion of inactive and active forms of a protein during cooperat
Confirming an Extinction-Level Impact Site Confirming an Extinction-Level Impact Site
An Oil Exploration Drill Site An Oil Exploration Drill Site
This engraving by William Russell Birch shows Congress Hall (left), which was occupied by Congress f This engraving by William Russell Birch shows Congress Hall (left), which was occupied by Congress f
The sandworm (Nersis) is an active predator that burrows in marine mudflats The sandworm (Nersis) is an active predator that burrows in marine mudflats
Video: Monohybrid crosses

For a complete list of videos, visit our video library