Table 6.1
Below are three different culture media. $\begin{array}{lll}\underline{\text { Medium A }} & \underline{\text {Medium B} } &\underline{ \text { Medium C }}\
\mathrm{Na}_{2} \mathrm{HPO}_{4} & \text { Tide detergent } & \text { Glucose } \
\mathrm{KH}_{2} \mathrm{PO}_{4} & \mathrm{Na}_{2} \mathrm{HPO}_{4} & \text { Peptone }\
\mathrm{MgSO}_{4} & \mathrm{KH}_{2} \mathrm{PO}_{4} & \left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4} \
\mathrm{CaCl}_{2} & \mathrm{MgSO}_{4} & \mathrm{KH}_{2} \mathrm{PO}_{2} \
\mathrm{NaHCO}_{3} & \left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4} & \mathrm{Na}_{2} \mathrm{HPO}_{4}
\end{array}$
-In Table 6.1, which medium (media) is (are) chemically defined?

Question

Table 6.1
Below are three different culture media. $\begin{array}{lll}\underline{\text { Medium A  }} & \underline{\text {Medium B} } &\underline{ \text { Medium C }}\
\mathrm{Na}_{2} \mathrm{HPO}_{4} & \text { Tide detergent } & \text { Glucose } \
\mathrm{KH}_{2} \mathrm{PO}_{4} & \mathrm{Na}_{2} \mathrm{HPO}_{4} & \text { Peptone }\
\mathrm{MgSO}_{4} & \mathrm{KH}_{2} \mathrm{PO}_{4} & \left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4} \
\mathrm{CaCl}_{2} & \mathrm{MgSO}_{4} & \mathrm{KH}_{2} \mathrm{PO}_{2} \
\mathrm{NaHCO}_{3} & \left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4} & \mathrm{Na}_{2} \mathrm{HPO}_{4}
\end{array}$
-In Table 6.1, which medium (media) is (are) chemically defined?

Quizplus · Accepted Answer

Chemically defined media are those for which the exact chemical composition is known. Medium A is chemically defined because it consists of specific inorganic salts and compounds with known chemical formulas. Medium B contains Tide detergent, which is a complex mixture of various chemicals, making it undefined. Medium C contains peptone, a complex mixture of amino acids and peptides derived from protein hydrolysis, also making it undefined.

Table 61 Below Are Three Different Culture Media -In Table 6

Table 61
Below Are Three Different Culture Media -In Table 6