Suppose a mutagen is used on an inbred population of mice to establish cell lines, each including a different mutant allele, which can then be tested for function. This technique is known as ________
Fill in the blank(s) with correct word
TILLING
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Describe a benefit of cloning plants and animals
What will be an ideal response?
Using transgenic animal models has its limitations because
A) prokaryotic cells are generally better at producing human proteins. B) bacterial pathogens that affect humans do not affect animals. C) the level of gene expression is significantly higher in animals. D) researchers cannot control where a transgene inserts itself into a genome.
Which of the following would not occur in the structure marked by the letter "A"?
a. warming of air b. odor detection c. gaseous exchange of oxygen and carbon dioxide to and from blood d. filtering of dust from air e. moisturizing of dry air
Which of the following does a bacterium NOT contain?
a. RNA b. cytoplasm c. ribosomes d. mitochondria