Which of the Following Statements About the CCR5 and the CXCR4

question 2

Multiple Choice

Which of the following statements about the CCR5 and the CXCR4 receptors used by HIV to recognize and enter macrophages is false?

• A)The smallpox virus and HIV share the co-receptor CCR5.
• B)Cytokines inhibit HIV infection by binding to CCR5 and CXCR4.
• C)Only HIV with mutated gp120 glycoproteins can bind to CXCR4 receptors on T cells.
• D)Individuals with few CXCR4 receptors should be more resistant to HIV infection.
• E)Individuals with a genetic resistance to smallpox may be more susceptibility to HIV infection.

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Definitions:

Sales Discounts

Sales discounts are reductions in price offered to customers, typically to encourage prompt payment or bulk purchases.

Net Sales

The amount of sales generated by a company after deducting returns, allowances for damaged or missing goods, and any discounts allowed.

Perpetual Inventory System

An accounting methodology that records goods transactions immediately through the use of electronic systems, continuously updating inventory records.

Sales Returns

The process of returning purchased goods to the seller, often resulting in a refund to the buyer and an adjustment in sales revenue for the seller.