Answer: Membrane transport proteins are specific and selective for the molecules they move, and they often use energy to catalyze passage. Also, these proteins transport some nutrients against the concentration gradient, which requires additional energy.
Explanation:
Its either A or C but im sorry i dont know which one
Answer:
option B
Rough endoplasmic reticulum → Golgi apparatus → plasma membrane
Explanation:
The pathway used to make and export proteins from the cell is rough endoplasmic reticulum which have ribosomes. After which it is transferred to golgi apparatus. The golgi apparatus process it and form vesicle. These vesicles are then transported to plasma membrane.
Answer:
A. Valine has replaced glutamic acid
Explanation:
hope this helps:)
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