What is CFTR/CFTR-DF508?

A) the dominant allele that causes cystic fibrosis
B) the recessive allele that causes cystic fibrosis
C) the homozygous genotype of a cystic fibrosis victim
D) the heterozygous genotype of a carrier of cystic fibrosis


D

Biology & Microbiology

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Lice and mites

A. are both arachnids. B. may both be spread by personal contact. C. are intestinal parasites. D. cause Lyme disease

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The division of microbes termed the Mendosicutes have a cell wall type best described as ________.

A. gram-positive B. gram-negative C. archaeal D. lacking a cell wall

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Deforestation:a

retards soil erosion. b. releases carbon dioxide that may contribute to global warming. c. has no effect on the extinction of biological species. d. promotes the preservation of tropical birds. e. is only a threat to tropical rain forests.

Biology & Microbiology

Which of the following is NOT a part of the 4-way streak technique?

Biology & Microbiology