Nitrate acts as a poison by A) oxidizing hemoglobin to ...

[storky111]

Nitrate acts as a poison by
 
  A) oxidizing hemoglobin to methemoglobin, which cannot carry oxygen.
  B) reacting with enzymes that break down toxic wastes in the liver.
  C) interfering with oxidative enzymes.
  D) blocking cell protein synthesis.

Question 2

The internal energy of a system ________.
 
  A) is the sum of the kinetic energy of all of its components
  B) is the sum of the rotational, vibrational, and translational energies of all of its components
  C) refers only to the energies of the nuclei of the atoms of the component molecules
  D) is the sum of the potential and kinetic energies of the components
  E) none of the above

[bubulittle310@msn.cn]

Answer to Question 1

A

Answer to Question 2

D

[storky111]

Wow, this really help

[covalentbond]

Thanks for the timely response, appreciate it