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

Author Question: If we place living cells in a nonpolar solvent like methane or ethane, A) their membranes will ... (Read 82 times)

deesands

  • Hero Member
  • *****
  • Posts: 514
If we place living cells in a nonpolar solvent like methane or ethane,
 
  A) their membranes will thicken, preventing molecular transport across the membrane
  B) they will rapidly explode due to pressure caused by the solvent building up inside the cell
  C) their membranes will most likely dissolve as cell membranes are also nonpolar
  D) they will function in much the same way as they do in water

Question 2

A rock sample contains 1/8 micrograms of the parent radioactive isotope Al-26 and 7/8 micrograms of its daughter isotope Mg-40. If the half-life of this decay is approximately 700,000 years, how old is this rock?
 
  A) 2.1 million years
  B) 2.8 million years
  C) 1.4 million years
  D) 700,000 years



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

joneynes

  • Sr. Member
  • ****
  • Posts: 376
Answer to Question 1

C

Answer to Question 2

A





 

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

For a complete list of videos, visit our video library