Ion Selectivity of Cys-Loop and Voltage-Activated Ion Channels Depends

question 13

Multiple Choice

Ion selectivity of Cys-loop and voltage-activated ion channels depends

• A) inversely on the number of subunits (i.e., fewer subunits means higher ion specificity).
• B) directly on the number of subunits (i.e., more subunits means higher ion specificity).
• C) on properly spaced charged amino acids in the primary structure of the channel proteins.
• D) on auxiliary subunits (e.g., β-subunits), which associate with the main (α) subunit of the channel.
• E) on the P-loop.

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Definitions:

Adjusted Trial Balance

A financial statement that lists all account balances in the general ledger after adjustments are made, ensuring credits and debits match.

Closing Entries

Journal entries made at the end of an accounting period to transfer the balances of temporary accounts to permanent accounts, preparing the books for the next period.

Long-term Note Payable

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Accrual Accounting

An accounting method where transactions are recorded when they are earned or incurred, rather than when cash is exchanged, providing a more accurate financial picture.