Top Posters
Since Sunday
r
5
m
5
h
5
r
5
t
5
B
5
P
5
s
5
m
5
c
5
c
4
4
Home Q & A Board Biology-Related Homework Help General Biology
New Topic  
Enni Cortu Enni Cortu
wrote...
Go to Answer
Posts: 290
Rep: 3 0
5 years ago
Which of the following statements is true for all types of passive transport?
A) Proteins are needed to transport molecules across the membrane.
B) The concentration gradient is the driving force.
C) Only small polar molecules are able to cross the plasma membrane.
D) Ions never cross the plasma membrane by passive transport.
Textbook 
Campbell Biology: Concepts and Connections

Campbell Biology: Concepts and Connections


Edition: 8th
Authors:
Read 23 times
1 Reply
Replies
Answer verified by a subject expert
guilmarguilmar
wrote...
#1
Posts: 156
Rep: 130 0
5 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

Enni Cortu Author
wrote...

5 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
oscar520000
wrote...

Yesterday
Thank you, thank you, thank you!
2ne1_12345
wrote...

2 hours ago
Brilliant ツ
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  828 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 267
  
 243
  
 477
Your Opinion
Which 'study break' activity do you find most distracting?
Votes: 820
Previous poll results: Do you believe in global warming?