The production of a functional gene product by transforming bacteria that lack a lacZ gene with a plasmid containing a lacZ gene is known as
A) complementation.
B) mitosis.
C) transfection.
D) reversion.
Answer: A
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The sinoatrial node is located in the ____
a. left atrium b. left ventricle c. pulmonary artery d. right atrium e. right ventricle
Water moves through a plant because of the property of
A) high heat of vaporization. B) cohesion. C) high heat of fusion. D) high specific heat.
Which of the following sequences of DNA would most likely be damaged by UV radiation?
A. AGTTCGCTT B. ATAGAGCGC C. AGAGCGCAT D. AGTACGCAT
You are a botanist who is immersed in your attempt to increase a certain property in your plant of study. To that end, you induce a mutation that doubles the amount of vascular cambium (a type of meristem) in your plant. Assuming this brings the desired effect, what exactly was the property that you sought to increase?
A. production of new leaves B. production of only xylem to make wood C. production of secondary xylem and phloem D. production of bark only E. production of new growth at the tip of stems