Electrophoresis is a technique used in the laboratory to analyze DNA using an electric current. Because DNA is negatively charged, it moves through a gel towards the positive end when the current is applied.

What will be an ideal response?


analyze DNA using an electric current. Because DNA is negatively charged, it moves through a gel towards the positive end when the current is applied.

Biology & Microbiology

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What pattern of inheritance occurs when a light blue-colored flower results from a cross between a dark blue-colored flower and a white-colored flower?

A) incomplete dominance B) codominance C) independent assortment D) sex linkage

Biology & Microbiology

Epinephrine and norepinephrine secreted by the adrenal gland enhance the response of the parasympathetic nervous system

Indicate whether the statement is true or false

Biology & Microbiology

What is the name of the mesoderm-derived, calcium-stiffened structures that comprise the internal skeleton of echinoderms?

a. ampullae b. ossicles c. madreporites d. radial canals

Biology & Microbiology

Which of the following chemicals is a signal that induces systemic acquired resistance?  

A.  salicylic acid B.  brassinosteroids C.  systemin D.  avr E.  nitric acid

Biology & Microbiology