1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Sophie [7]
3 years ago
8

In an experiment, you measure the concentration of a polar molecule inside and outside a cell. You find that the concentration i

s high and gradually increasing inside the cell. You also measure the ATP concentration inside the cell and find that it is dropping. What is your best hypothesis for the process you are observing?
a) facilitated diffusion
b) passive transport
c) simple diffusion
d) active transport
e) endocytosis
Biology
1 answer:
Sergeu [11.5K]3 years ago
7 0
<h2>The correct answer is: d).</h2>

Explanation:

  • Active transport can be defined as the process by which molecules are transported from a region where the concentration of the molecules is low to a region where the concentration of molecule is high across a selectively permeable membrane.
  • Here, the molecules are transported up or opposite to their concentration gradient and so the process requires the expenditure of energy in the form of ATP or Adenosine Triphosphate.
  • In the given question, it is said that the concentration of a polar molecule is high inside the cell initially.
  • But still with time the concentration of the polar molecule continues to increase inside the cell.
  • This is accompanied by the expenditure of energy in the form of ATP as concentration of ATP inside the cell is found to drop gradually.
  • Hence, the given hypothesis describes the process of an Active Transport.
You might be interested in
You have your .5 M sucrose solution. You need 1 L of a 50 mM solution. how much of the .5 M stock solution would you combine wit
Triss [41]

Answer: 100mL sucrose solution and 900mL water

Explanation: sucrose solution is 500 mM, i.e. 500mmol/L

water is 0mmol/L

To get 50mmol/L we need 1/10 L of sucrose solution = 100mL

and made up to 1L with water

5 0
3 years ago
Which type of digestion occurs in the mouth when an individual chews a piece of bread?
Arisa [49]
Mechanical is. the digestion that occurs
5 0
3 years ago
Which describes elements in the first group of the periodic table?
IrinaK [193]

Answer:

alkali metals

Explanation:

3 0
3 years ago
Describe one way the skeletal system helps the circulatory system function
Musya8 [376]
There are several ways;

The Skeletal system protects for example the heart and several aspects of large vasculature. The skeleton also has the means to produce blood cells in the marrow of some of the bones. 
3 0
3 years ago
The majority of triglyceride digestion occurs in the small intestine facilitated by the enzyme
bixtya [17]

Answer:

pancreatic lipase

Explanation:

Enzymes from pancreas involved in triacylglycerol digestion are called pancreatic lipases and they catalyze the partial hydrolysis of triglycerides into a mixture of free fatty acids and acylglycerols. After digestion of lipids, monoglycerides and fatty acids associate with bile salts and phopholipids to form micelles. Micelles are structures that are necessary for the transport the poorly soluble monoglycerides and fatty acids to the surface of the enterocyte. But, micelles cannot be absorbed by epithelial cell, only freely dissolved monoglycerides and fatty acids can. Free fatty acids and monogycerids can just diffuse across the plasma membrane because of their nonpolar nature.

 Some absorption (e.g. for cholesterol) may be facilitated by specific transport proteins.

4 0
3 years ago
Other questions:
  • Animal A and Animal B each have 95% of their DNA in common. Animal A and Animal C each have 50% of their DNA in common. What doe
    5·2 answers
  • If one strand of a DNA molecule has the sequence of bases 5'ATTGCA3', the other complementary strand would have the sequence
    8·1 answer
  • A. on which side of the membrane is chloride more concentrated? (base your answer only on the facts given above, rather than on
    7·1 answer
  • What two phases of the moon cause the strongest tides?
    12·1 answer
  • Where do valleys mainly form from?
    10·1 answer
  • What would happen to the other organisms if all the crows in this ecosystem were to die due to an illness?
    14·1 answer
  • Suggest 3 methods hospitals employ to eliminate MRSA from their facilities
    11·1 answer
  • ..............................
    6·1 answer
  • What general name is given to tracts that connect the right and left cerebral hemispheres?
    8·1 answer
  • (b) Explain why an individual was found to have a high urea content in his urine after
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!