Which Statement Best Describes the Action of Polypeptide Growth Factors

question 5

Multiple Choice

Which statement best describes the action of polypeptide growth factors?

• A)They bind to intracellular receptors and trigger intracellular signal transduction pathways.
• B)They bind to cell surface receptors and trigger intracellular signal transduction pathways.
• C)They bind to cell surface receptors which phosphorylate cyclins.
• D)They make a complex with an intracellular receptor which then acts as a transcription factor.

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Definitions:

Salvage Value

The estimated residual value of an asset after its useful life has ended, and it can no longer be used for productive purposes.

Depreciation Expense

The charge to expense a portion of the cost of a fixed asset over its useful life, representing wear and tear, obsolescence, or decline in value.

Constant Rate

A uniform pace or level that does not change over a given time period.

Double-Declining-Balance

The Double-Declining-Balance method is an accelerated depreciation technique which doubles the rate of straight-line depreciation, emphasizing higher depreciation costs in the early years of an asset's life.