Which enzyme is the product of the lacZ gene?
What will be an ideal response?
?-galactosidase
Biology & Microbiology
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In vascular plants, sugars are transported throughout the plant by ____
a. sclerenchyma b. phloem c. collenchyma d. parenchyma e. xylem
Biology & Microbiology
A bird cracks open the seed coat with its teeth before swallowing
Indicate whether the statement is true or false.
Biology & Microbiology
What is the substrate for beta-galactosidase in bacterial screening assays that check for colonies having
recombinant DNA?
a. lactose b. X-gal c. sucrose d. blue azure e. bromophenol blue
Biology & Microbiology
The element that is crucial to actual muscle contraction is
a. sodium. b. potassium. c. iron. d. magnesium. e. calcium.
Biology & Microbiology