Q. Consider the following statements about the Sum-of-Pairs (SP) score.

Each alignment column is scored by considering pairs of residues.

For (n)sequences, each column contains (n(n-1)/2)possible sequence pairs.

The total SP score is obtained by adding the scores of all alignment columns.

SP scoring considers only identical residue pairs and ignores mismatches and gaps.

Which statements are correct?

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#Question id: 11140

#Unit 7. System Physiology – Animal

Although the membrane of a "resting" neuron is highly permeable to potassium ions, its membrane potential does not exactly match the equilibrium potential for potassium because the neuronal membrane is also ________.

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#Question id: 11141

#Unit 7. System Physiology – Animal

The operation of the sodium-potassium pump moves ________.

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#Question id: 11142

#Unit 7. System Physiology – Animal

A researcher uses the chemical inhibitor cyanide to reduce ATP production in a neuron. What would be one effect of preventing ATP production?

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#Question id: 11143

#Unit 7. System Physiology – Animal

In a resting potential, an example of a cation that is more abundant as a solute in the cytosol of a neuron than it is in the interstitial fluid outside the neuron is ________.

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#Question id: 11144

#Unit 7. System Physiology – Animal

The membrane potential in which there is no net movement of the ion across the membrane is called the ________.

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#Question id: 11145

#Unit 7. System Physiology – Animal

Two fundamental concepts about the ion channels of a "resting" neuron are that the channels ________.