Which Technique Allowed Researchers to Conclude That the Fibrous Proteins

question 38

Multiple Choice

Which technique allowed researchers to conclude that the fibrous proteins in sieve tube elements are normally dispersed and obstruct sieve plates only in response to cell damage?

• A) Analyzing phloem sap extruded from aphid stylets
• B) Freezing phloem tissue before cutting and examining it
• C) Watering a plant before cutting and examining it
• D) Using patch clamping to examine sieve plates
• E) Exposing plants to blue light before examination

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Definitions:

Credit Card

A payment card issued to users as a method of payment allowing the cardholder to pay for goods and services based on the holder's promise to pay for them.

Inventory Turnover

A ratio showing how many times a company's inventory is sold and replaced over a specified period, indicating the efficiency of inventory management.

Accounts Receivable Turnover

A financial ratio indicating how quickly a company collects on outstanding accounts receivable, calculated by dividing total net sales by the average accounts receivable during a period.

Cash Cycle

The amount of time it takes for a company to convert its investments in inventory back into cash through sales.