« previous next »

Author Question: In the years since the proposal of the fluid mosaic model of the cell membrane, (Read 661 times)

hummingbird

  • Sr. Member
  • ****
  • Posts: 324
on: Jun 8, 2013
In the years since the proposal of the fluid mosaic model of the cell membrane, which of the following observations has been added to the model?
A) The membrane is only fluid across a very narrow temperature range.
B) Proteins rarely move, even though they possibly can do so.
C) Unsaturated lipids are excluded from the membranes.
D) The concentration of protein molecules is now known to be much higher.
E) The proteins are known to be made of only acidic amino acids.


Jones

  • Full Member
  • ***
  • Posts: 145
Reply #1 on: Jun 8, 2013
I know the answer to this :D, it's D. 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?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

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.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Lab: Paramecium Model Lab: Paramecium Model
All living organisms descended from a common ancestral cell All living organisms descended from a common ancestral cell
Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a
The Basilar Membrane of the Cochlea and Theories of Hearing The Basilar Membrane of the Cochlea and Theories of Hearing
Allyl isothiocyanate, ball and stick model Allyl isothiocyanate, ball and stick model
An example of a cell-mediated immune response targeting virus-infected cells. An example of a cell-mediated immune response targeting virus-infected cells.
Video: Gas exchange - partial pressure, locations, external and internal respiration

For a complete list of videos, visit our video library