Question

Which of the following accurately describes an example of how materials can move across the cell membrane through active transport?
Answer







A protein acts as a channel to allow large, hydrophilic molecules to diffuse across the cell membrane.








A protein acts as a pump and moves calcium ions from an area of low concentration to an area of high concentration.

Answer 1

please post your suggestions for each of the question. the team will correct you - or praise :)

Answer 2

wow, that was really bad english...well, I'm drunk and it's 05:30. AM. :)

Answer 3

lol i posted it agen with what i think the anser is was i right. Not that i have room to juj. well i have nun but how old r u

Answer 4

okay. you have to describe ACTIVE transport. your available answers are tunnel and pump. would it really be tunnel? or isn't the pump more active? :-)

Answer 5

wouldnt it be pump because it moving ... How old are you?

Answer 6

i mean its

Answer 7

i don't understand your reasoning for it not being a pump. what do you think is moving?

Answer 8

its being transported
isn't it

Answer 9

there for it's being moved around...... Im 16 and you ?

Answer 10

what is "it"???

Answer 11

materials

Answer 12

yes, the materials are moved. now I ask you for your common sense. can a tunnel move stuff around? can a pump move stuff around?

I'm to bed, cya.

Answer 13

what is "cya"

Answer 14

and cant a pump move stuff its a pump

Answer 15

you suggested tunnel, if I may remind you. I want you now to read both threads thoroughly, then think about how irritating that just was, extract the right answer and learn for next time. just be clear in what you say, that's the core skill of every scientist.

pump is right.

Answer 16

Thanks in a pain in the as way i just lurnd some thing it was nice talking to you
make sure to drink lots of water so your not hung over .. have fun

Answer 17

"cya" is short for seeya later