Question

A gal- mutant _____________. Choose all that apply. will die on plates that contain galactose instead...

A gal- mutant _____________. Choose all that apply.

will die on plates that contain galactose instead of glucose

will grow/multiply on plates that contain galactose instead of glucose

is resistant to galactose

makes its own galactose so it can grow/multiply without you providing any

will grow/multiply on plates that contain both galactose and glucose

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Answer #1

Option 1st, 3rd and 5th are the correct answer.

A gal- mutant is the strain in which gal gen is mutated and thus cannot utilize galactose as carbon source for survival and growth.

Hence, these strain will die on the plate containing galactose instead of glucose. Since gal gene is mutated these strain are resistant to galactose. In the presence of both glucose and galactose these strain will survive as they will opt for glucose as carbon source for survival and growth.

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