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 93 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?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

For a complete list of videos, visit our video library