How To Questions & Answers | Page 24

The lymphoid cell line produces Helper T cells $(T_H \ \text{with} \ \text{CD4}^{+})$, critical for orchestrating the adaptive immune response.

The hypothetical Van't Hoff factor ($i$) for magnesium nitrate, Mg(NO₃)₂, is 3 because it dissociates into three ions: one $\text{Mg}^{2+}$ and two $\text{NO}_3^-$.

The equation $y = 45(1.82)^x$ represents exponential growth with an 82% percentage increase.

When silver nitrate (AgNO$_3$) is added to a solution containing bromide ions (Br$^{-}$) and nitric acid (HNO$_3$), a pale yellow precipitate of silver bromide (AgBr) forms, indicating the presence of bromide ions.

To convert 16 Celsius to Fahrenheit, use $F = \frac{9}{5} \times 16 + 32$, resulting in 60.8°F.

To convert 33 cm to inches, multiply 33 by 0.393701, yielding approximately 12.99 inches.

To convert 230 lbs to kg use the formula $\text{weight\ in\ kg} = 230 \times 0.453592 \approx 104.33\ \text{kg}$.

To convert 50°C to °F, use the formula $F = \left( \frac{9}{5} \times 50 \right) + 32 = 122°F$.