A membrane is used for separation of gases from waste. If the feed stream contains 20% CO2 and 80% SO2 and the product contains 25% CO2 and 75% SO2. Assume that the waste stream amounts to 80% of the input stream. What is the composition of CO2 in waste stream?

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#Question id: 1871

#Section 2: General Biology

Deletions in the T-cell CD154 (CD40L) gene produce:

TLS Online TPP Program

#Question id: 1872

#Section 2: General Biology

Which of the following have NOT provided examples of secondary immunodeficiency?

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#Question id: 1873

#Section 2: General Biology

Mutations in the gene encoding which of the following most commonly results in severe combined immunodeficiency (SCID)?

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#Question id: 1874

#Section 2: General Biology

Which of the following is the single immunodeficiency disease that most profoundly affects CD4-positive T-cells?

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#Question id: 1875

#Section 2: General Biology

What is the best description of an antibody that would prevent infection with HIV?

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#Question id: 1876

#Section 2: General Biology

What is the only HIV vaccine employed to have provided any evidence of efficacy?