Which of the following is a characteristic feature of a carrier protein in a plasma membrane? a. it is a peripheral membrane protein. b. it exhibits a specificity for a particular type of molecule. c. it requires the expenditure of cellular energy to function. d. it works against diffusion. e. it has few, if any, hydrophobic amino acids.

Pls in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.