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______________-an allele that is expressed when it is present in either the homozygous or heterozygous condition

Which of the following are used by at least some bacteria for movement?

Bacteria are approximately 1000 times smaller than the thickness of a

_________-a permanent change in the cells DNA

____________-a specialized cell that transmits electrical signals; a nerve cell

_____________—-having two sets of chromosomes (2n)

_______-alternative form of a gene

__________-the RNA transcribed that is complementary to one strand of DNA; when translated by the ribosome, will form a protein

_________-pertaining to the back; posterior

Extra credit: 3 points You lift up your feline patient’s tail and notice these dried up structures on the perineum. They remind you of small grains of rice. Your patient is an indoor/outdoor pet and is known to hunt and consume mice. You examine one under a microscope after “crushing” it, and find the second image shown microscopically. What is the scientific name and common name of this mystery parasite. Genus and species. (2 points possible)  Which drug do we use in practice to treat this parasite, give the active ingredient name. (1 point)