Biology, 18.12.2019 07:31 rambocayden8018
You are interested in studying a gene called cftr because mutations in this gene in humans cause cystic fibrosis. you have made a line of mice that lack the mouse cftr gene. these mice are unable to clear bacteria from their lungs, so they get lung disease. you put a normal human cftr gene into some of these mice and discover that the mice with the human gene are able to clear bacteria from their lungs and no longer get lung disease. from this experiment, you can conclude that:
a) the dna sequences of the mouse cftr gene and human cftr gene are identical.
b) the amino acid sequences of the mouse cftr protein and the human cftr protein are identical.
c) the mouse cftr gene and human cftr gene encode proteins that can serve a similar function.
d) both answers b and c are true.
e) all of the above are true.
Answers: 3
Biology, 20.06.2019 18:02, eduardoma2902
Which situation is an example of competition that could be found in the grassland? a. two lion populations utilize the same gazelle population as their main food source b. deer eat berries and their droppings seed new areas, creating new berry bushes c. two shark populations utilize the same fish population as their main food source d. lack of sunlight due to changes in the seasons restricts the growth of certain plants
Answers: 1
Biology, 22.06.2019 13:50, wyattgrubb00
2points what do bacteria have in common with the cells of other living organisms?
Answers: 2
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