
Molecular Biology Of The Cell 6th Edition by Bruce Alberts, Alexander Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
Edition 6ISBN: 978-0815345244
Molecular Biology Of The Cell 6th Edition by Bruce Alberts, Alexander Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
Edition 6ISBN: 978-0815345244 Exercise 9
Discuss the following problems.
-Transport by transporters can be either active or passive, whereas transport by channels is always passive.
A. Does this tree support or refute the hypothesis that the plant hemoglobins arose by horizontal gene transfer?
B. Supposing that the plant hemoglobin genes were originally derived from a parasitic nematode, for example, what would you expect the phylogenetic tree to look like?
-Transport by transporters can be either active or passive, whereas transport by channels is always passive.
A. Does this tree support or refute the hypothesis that the plant hemoglobins arose by horizontal gene transfer?
B. Supposing that the plant hemoglobin genes were originally derived from a parasitic nematode, for example, what would you expect the phylogenetic tree to look like?

Explanation
The evolution of plant hemoglobins from ...
Molecular Biology Of The Cell 6th Edition by Bruce Alberts, Alexander Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
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