The last two remaining females in this population disperse to join a different population that is
50 km away. Breeding with males in this new population would introduce new genes and is an
example of __________.
a. alleles
b. gene flow
c. meiosis
d. adaptive radiation
B
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Cystic fibrosis is a genetic disorder that results in mucus build-up in the lungs and subsequent breathing difficulties; therefore, ____________________ cells would be the target for somatic gene therapy to cure this condition
Fill in the blank(s) with correct word
Target cells
a. are found only in specific endocrine glands. b. are equipped with specific receptor molecules. c. are muscle cells. d. may occur in any part of the body. e. are equipped with specific receptor molecules and may occur in any part of the body.
The plastids that give flowers and fruits their distinctive colors are
A) chloroplasts. B) elaioplasts. C) amyloplasts. D) chromoplasts. E) proteinoplasts.
Which of the following statements about siderophores is FALSE?
A) Siderophores are considered as bacterial virulence factors. B) Siderophores increase permeability of the outer membrane for G- bacteria. C) Siderophores bind iron and transport it into the bacteria. D) Siderophores compete for iron from host proteins transferrin and lactoferrin. E) none of the above.