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

Author Question: Cell membranes effectively serve as barriers between cells and the surrounding spaces because they ... (Read 39 times)

ec501234

  • Hero Member
  • *****
  • Posts: 573
Cell membranes effectively serve as barriers between cells and the surrounding spaces because they are made of _____ phospholipids.
 a. amphipathic
  b. hydrophilic
  c. hydrophobic
  d. lipogenic

Question 2

Which vitamin is involved in producing nonprotein substances such as the neurotransmitters serotonin and dopamine?
 a. Vitamin B3
  b. Vitamin B5
  c. Vitamin B6
  d. Vitamin B12



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

amanda_14

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

a

Answer to Question 2

c



ec501234

  • Hero Member
  • *****
  • Posts: 573
Both answers were spot on, thank you once again




 

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

For a complete list of videos, visit our video library