Drugs, such as cocaine and nicotine, mimic the action of neurotransmitters
a. True
b. False
True
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Which of the following is true of species diversity over time?
1.The distribution pattern of protozoans most closely matches that of insects.
2.Angiosperm diversity in the Paleozoic most closely matches that of insects.
3.Trilobites expanded in the Mesozoic before going extinct.
4.Insects have had the greatest species expansion during the Cenozoic.
Leber congenital amaurosis (LCA) is a disorder characterized by early-onset retinal dystrophy which causes severe visual impairment beginning in infancy. The most common cause of the disorder is a mutated intron located in gene CEP290. Targeted deletion of the mutated intron shows promise as a treatment for LCA. The treatment of LCA is an example of the application of which of the following types of biotechnology?
A. cloning B. genome editing C. PCR D. microarrays E. recombinant DNA technology
__________ contain identical DNA sequences and are held together by __________ during mitosis
a. Daughter chromosomes; hydrogen bonding b. Daughter chromosomes; ionic bonding c. Sister chromatids; spindle fibers d. Sister chromosomes; histone proteins e. Sister chromatids; centromeres
________ is the application of recombinant DNA technology to practical problems in areas such as medicine, energy production, waste reclamation, and agriculture
Fill in the blank with correct word.