This topic contains a solution. Click here to go to the answer

Author Question: Cellular pH is kept near a value of seven, due to the action of: a. salts b. buffers c. acids ... (Read 121 times)

stephzh

  • Hero Member
  • *****
  • Posts: 556
Cellular pH is kept near a value of seven, due to the action of:
 
  a. salts
  b. buffers
  c. acids
  d. bases
  e. water

Question 2

Mars has a sufficient mass and a low enough temperature that water molecules could exist in its atmosphere as vapor. One reason Mars's atmosphere does not contain a significant amount of water vapor is that
 
  a. Mars formed in a part of the solar nebula that lacked oxygen.
  b. Mars formed in a part of the solar nebula that lacked hydrogen.
  c. all of the water vapor was released in the impact that formed Deimos.
  d. ultraviolet radiation breaks the water molecule into less massive particles that can escape.
  e. the water molecule combines readily with chlorine to form hydrochloric acid.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

meow1234

  • Sr. Member
  • ****
  • Posts: 333
Answer to Question 1

b

Answer to Question 2

d



stephzh

  • Hero Member
  • *****
  • Posts: 556
Both answers were spot on, thank you once again



meow1234

  • Sr. Member
  • ****
  • Posts: 333

 

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

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?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

For a complete list of videos, visit our video library