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madreJ [45]
4 years ago
9

The action of a buffer to maintain ph within normal limits involves __________.

Biology
1 answer:
lozanna [386]4 years ago
3 0
A buffer is a solution encompassing a weak acid and its conjugate base in alike amounts. This combination reduces the pH change upon addition of strong acid or base by converting H1+ (or OH1-) to weaker acids or bases. This primarily consist of compounds that stabilize the pH of a solution by removing or replacing hydrogen ions. Also, substances that resist change in pH. 
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20 POINTS AVAILABLE
Mama L [17]

Answer: A.  PULMONARY VALUE

              B.  TRICUSPID VALUE

              C.  SEPTUM

              D.  BICUSPID VALUE

              E.  AORTIC VALUE

              F.  AORTA

Explanation:

3 0
4 years ago
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Following repolarization, the neuron may become slightly hyperpolarized before it re-establishes its resting membrane potential.
RoseWind [281]
<h2>Membrane potential </h2>

Explanation:

  • Membrane potential represents charge difference across the membrane, all biological cells are negative inside (cytoplasm) and positive outside (due to difference in ionic distribution)  
  • In a typical neuron cell membrane potential of cytoplasm is negative at rest (when no stimulus is applied) hence called resting membrane potential
  • Resting membrane potential of excitable cells is established by Na+ and K+pump
  • Repolarization starts with the efflux of K+ by the opening of voltage gated K+ channels
  • Voltage gated K+ channels starts to open when voltage gated Na+ channels becomes inactive
  • Hyperpolarization occurs due to excessive efflux of K+ by voltage gated K+ channels
  • Additional efflux of K+ occurs due to slow inactivation of voltage gated K+ channels
3 0
4 years ago
A population of mice has black or brown hair. The gene for black hair color (B) is dominant over brown (b). If 16% of the mice a
Vadim26 [7]
Ummmm I believe that the answer is C i'm not a hundred percent sure
6 0
3 years ago
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Which part of the neuron is responsible for sensation
xz_007 [3.2K]

Answer: The central nervous system (CNS) is the collection of neurons that make up the brain and the spinal cord. The peripheral nervous system (PNS) is the collection of neurons that link the CNS to our skin, muscles, and glands. Neurons are specialized cells, found in the nervous system, which transmit information

Explanation:

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3 years ago
What is the main advantage for animals that are at the end of a very short food chain?
melisa1 [442]

Answer:

There are many of them so that means more are spared.

Explanation:

6 0
3 years ago
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