Which type of worm lacks a complete digestive tract?
A. Annelids
B. Flatworms
C. Roundworms
D. All of the above
Answer: B
Biology & Microbiology
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Most TNRE repeats involve expansion of which codon?
A. GAA B. CAG C. ATG D. CCC E. Any codon containing three of the same bases
Biology & Microbiology
The cell type responsible for type II hypersensitivity is the
A. mast cell. B. B cell. C. macrophage. D. platelet. E. neutrophils.
Biology & Microbiology
The first terrestrial animals were probably
A) reptiles. B) arthropods. C) dinosaurs. D) mammals. E) amphibians.
Biology & Microbiology
Failure of the homologous chromosomes or sister chromatids to separate during either mitosis or meiosis; produces cells with abnormal chromosome numbers.
What will be an ideal response?
Biology & Microbiology