« previous next »

Author Question: Cell membranes are asymmetrical. Which of the following is the most likely expla (Read 751 times)

hummingbird

  • Sr. Member
  • ****
  • Posts: 324
on: Jun 8, 2013
Cell membranes are asymmetrical. Which of the following is the most likely explanation?
A) The cell membrane forms a border between one cell and another in tightly packed tissues such as epithelium.
B) Cell membranes communicate signals from one organism to another.
C) The two sides of a cell membrane face different environments and carry out different functions.
D) The "innerness" and "outerness" of membrane surfaces are predetermined by genes.
E) Proteins can only be associated with the cell membranes on the cytoplasmic side.


Jones

  • Full Member
  • ***
  • Posts: 145
Reply #1 on: Jun 8, 2013
I know the answer to this :D, it's C. Don't forget to give me a thumbs up!


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

hummingbird

  • Sr. Member
  • ****
  • Posts: 324
Reply #2 on: Jun 9, 2013
Thanks :D It was right!


« previous next »
 

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

The Role of Microfilaments in Cell Movement-Showing Cause and Effect in Biology 1 The Role of Microfilaments in Cell Movement-Showing Cause and Effect in Biology 1
Basal cell carcinoma, a frequent type of skin cancer that rarely metastasizes. Basal cell carcinoma, a frequent type of skin cancer that rarely metastasizes.
Reproductive Cell Division: Meiosis II Reproductive Cell Division: Meiosis II
Plant cell structure Plant cell structure
The eukaryotic cell cycle consists of two parts: (1) interphase and (2) mitosis followed by cytokine The eukaryotic cell cycle consists of two parts: (1) interphase and (2) mitosis followed by cytokine
The epigenetic stem cell model proposes that both epigenetic changes The epigenetic stem cell model proposes that both epigenetic changes
Video: Bond types - Atomic structure and basis of bonds

For a complete list of videos, visit our video library