Describe a method developed by molecular biologists to easily observe the success of a genetic engineering procedure involving the ligating of a gene of interest into a plasmid

What will be an ideal response?


Answer: Answers will vary, but two possible answers are reporter constructs where reporter proteins are observed (e.g., fluorescence) and blue-white screening of the colonies themselves for disruption/loss of the LacZ reporter.

Biology & Microbiology

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Which of the following describes a template strand?

a. a DNA strand that specifies the complementary mRNA molecule b. a DNA strand that is not used to transcribe mRNA c. a region of locally unwound DNA that allows for transcription of mRNA d. a sequence present in protein-coding mRNA

Biology & Microbiology

Purple loosestrife, Lythrum salicaria, is a beautiful, long-stemmed wetlands species brought to the United States from Europe as an ornamental plant

In the United States, it has no predators and crowds out cattails, Typha latifolia, another wetlands plant that's a valuable resource for many species. Purple loosestrife is an example of A) an introduced species. B) a parasite. C) a predator. D) overexploitation.

Biology & Microbiology

Which of the following cell cycles is represented by ferns and other plants?

A) Haploid life cycle B) Alternation of generations C) Diploid life cycle

Biology & Microbiology

Dr. Jane Hinton: (choose all that apply)

> Worked at Harvard > Was the grand-daughter of slaves > Developed the Kirby-Bauer procedure > Co-developed the media used in the Kirby-Bauer test > Was one of the first female African-American veterinarians in the US > Was a professor at Harvard

Biology & Microbiology