This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Cell membranes effectively serve as barriers between cells and the surrounding spaces because they ... (Read 45 times)

ec501234

  • Hero Member
  • *****
  • Posts: 573
on: Aug 20, 2018
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
Reply #1 on: Aug 20, 2018
Answer to Question 1

a

Answer to Question 2

c


ec501234

  • Hero Member
  • *****
  • Posts: 573
Reply #2 on: Aug 20, 2018
Both answers were spot on, thank you once again


amanda_14

  • Sr. Member
  • ****
  • Posts: 342
Reply #3 on: Aug 20, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

yeast cell signaling yeast cell signaling
bacteria cell diagram bacteria cell diagram
(a) Homologous traits are similar due to shared ancestry. (b) Analogous traits (bats’, birds’, and f (a) Homologous traits are similar due to shared ancestry. (b) Analogous traits (bats’, birds’, and f
(a) Chromosome painting with five different-colored markers in a normal cell. (b) Painting produces (a) Chromosome painting with five different-colored markers in a normal cell. (b) Painting produces
Cone Cell Cone Cell
Pleiotropy in sickle cell disease Pleiotropy in sickle cell disease
Video: Segmentation and migrating motility complexes & Gastroileal reflex

For a complete list of videos, visit our video library