Asked by Katelyn Obanion on May 21, 2024
Verified
Cellular pH is kept near a value of seven due to the action of ____ that can ____.
A) salts; dissolve readily in water
B) buffers; alternately donate and accept H+
C) buffers; donate H+ when the pH decreases
D) bases; donate OH- when pH rises
E) water; stabilize temperature
Buffers
Substances that minimize changes in pH by absorbing or releasing hydrogen ions, helping maintain a stable environment in solutions like blood.
Salts
Ionic compounds resulting from the neutralization reaction of an acid and a base, consisting of cations (other than H+) and anions (other than OH-).
Water
A transparent, tasteless, odorless, and nearly colorless chemical substance which is the main constituent of Earth's hydrosphere, and the fluids of all known living organisms.
- Distinguish between acidic and basic solutions.
Verified Answer
LC
Lawanda ClinardMay 21, 2024
Final Answer :
B
Explanation :
Buffers are molecules that can donate or accept H+ ions (H+) to maintain a relatively constant pH level in a solution. This helps to stabilize cellular pH at around seven. Salts, bases, and water do not have the same buffering capacity.
Learning Objectives
- Distinguish between acidic and basic solutions.