Channel proteins help large molecules pass through the cell membrane.
Not, Viruses are not considered "alive" because they lack many of the properties that scientists associate with living organisms. Primarily, they lack the ability to reproduce without the aid of a host cell, and don't use the typical cell- division approach to replication.
Answer: The correct option is B.
Will genetically modified crops increase profit for farmers?
Explanation:
This is because genetically modified crops are produced to achieve a particular advantage. Genetically modified crops are produced with some traits that are beneficial to Agriculture. Farmers choose genetically modified crops in order to increase yield, and produced crops that are resistant to certain diseases. These genetically modified crops are produced because of the traits that increase crop yield when farmers plant them it will increase the profit of farmers.
I would say D! Purely because it is looking at the effects of humans (therefore related to topics more geographical).
Hope that helps. :)