The Signal from R7 That Induces Rh5 Expression in R8

question 32

Multiple Choice

The signal from R7 that induces Rh5 expression in R8 is as yet unknown. What ommatidial phenotypes would be expected of a loss-of-function mutant for the gene encoding this signal?

• A) All R7 cells would express Rh3.
• B) All R7 cells would express Rh4.
• C) All R8 cells would express Rh5.
• D) All R8 cells would express Rh6.
• E) Both b and d

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Definitions:

Closing Entry

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

Pre-closing Trial Balance

A financial report listing all the account balances in the general ledger before adjusting entries are made for the preparation of financial statements.

Closing Entries

The accounting process of transferring temporary account balances to permanent accounts at the end of an accounting period.

Journalizing

The process of recording transactions in a journal before they are posted to ledger accounts.