Register
Which of these REQUIRES active transport in order to cross the plasma membrane? A. a sodium ion moving AGAINST the concentration gradient B. a hydrogen molecule moving WITH the concentration gradient C.
190k views
21 votes
Which of these REQUIRES active

transport in order to cross the plasma
membrane?
A. a sodium ion moving AGAINST the concentration gradient
B. a hydrogen molecule moving WITH the concentration
gradient
C. an oxygen molecule moving WITH the concentration
gradient
D. a carbon dioxide molecule moving WITH the concentration
gradient

User Robert Williams
by
4.6k points

2 Answers

5 votes
The answer would be c
User Hans Bambel
by
4.7k points
6 votes

Answer: I think it might be A. a sodium ion moving AGAINST the concentration gradient

Step-by-step explanation:

User MichaC
by
4.8k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.6m questions

7.3m answers

Other Questions

Which of these structures is primarily responsible for the enzymatic breakdown of a large molecules in the cell?
What are some common signs and symptoms of mental health disorders?
A state of joyful activity in which the subject performs an action effortlessly and skillfully is known as a(n) __________.
!! Earth Science!! Carbon dioxide is normally approximately 2% fraction of the air in the atmosphere. The reason carbon dioxide is considered a pollutant is because... a) Carbon dioxide levels are much
Which statement best describes the life cycle of plants such as ferns? a. Different plants have a different number of phases in their life cycle. b. Plants have a single life cycle and are entirely haploid.
Link Copied!