Which of the Following Describes the Steps Required Prior to ATP-Dependent

question 14

Multiple Choice

Which of the following describes the steps required prior to ATP-dependent degradation of proteins?
(I) Ubiquitin is transferred to cysteine on a ubiquitin-conjugating enzyme.
(II) The protein is linked to at least four tandemly linked ubiquitin units.
(III) Activated ubiquitin is transferred to a lysine of the previously bound protein.
(IV) Ubiquitin is attached via a thioester to a unbiquitin-activiating enzyme.

• A)I,II,III,IV
• B)IV,I,III,II
• C)II,I,III,IV
• D)IV,II,I,III
• E)IV,II,III,I

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Definitions:

Holding Costs

Expenses related to storing and maintaining inventory, including warehousing, insurance, depreciation, and potential obsolescence.

Ordering Costs

Expenses related to the procurement process, including costs associated with placing orders, processing payments, and receiving goods.

Inventory-Related Cost

Expenses associated with ordering, storing, handling, and managing inventory, including costs related to warehousing, spoilage, and obsolescence.

Fixed-Quantity System

An ordering system with the same order amount each time.