Which of the following is true of the mutation
that causes cystic fibrosis?
a. it is an insertion mutation
b. the protein produced is normal
c. the protein produced is prevented from
reaching the cell surface
d. the protein produced instead of being
transported into the nucleus is transported
into the Golgi body
e. more than one of these is true
E
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A, B, and C are linked genes. Recombination between A and B is 3%; between A and C is 6%; and between B and C is 9%. What is the order of these genes on the chromosome?
A) A-B-C B) A-C-B C) B-C-A D) B-A-C
What is a source of omega-3-fatty acids?
a. nuts b. olive oil c. meat d. fish e. butter
Short, hairlike structures used only by eukaryotic cells for movement are called
A) pili. B) flagella. C) fimbriae. D) pseudopodia. E) cilia.
The interstitial fluid of vertebrates __________.
a. is the internal environment within cells b. makes up blood plasma c. surrounds cells and provides for the exchange of nutrients and wastes d. is not necessary in flat, thin vertebrates e. is less abundant in ectotherms than in endotherms