This topic contains a solution. Click here to go to the answer

Author Question: Which mechanism enables substances to move through the cell membrane from a region of higher ... (Read 35 times)

RODY.ELKHALIL

  • Hero Member
  • *****
  • Posts: 591
Which mechanism enables substances to move through the cell membrane from a region of higher concentration to a region of lower concentration without any energy expenditure?
 a. Equilibrium
  b. Vesicular transport
  c. Exocytosis
  d. Simple diffusion

Question 2

The three main types of passive transport mechanisms for control of movement of substances into and out of cells are simple diffusion, facilitated diffusion, and _____.
 a. active transport
  b. osmosis
  c. exocytosis
  d. endocytosis



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sophiapenny

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

d

Answer to Question 2

b





 

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

For a complete list of videos, visit our video library