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
m_a_m_a [10]
3 years ago
5

Which molecules are able to pass through the semi-permeable membrane

Biology
1 answer:
elena-14-01-66 [18.8K]3 years ago
7 0

Oxygen I think if im wrong tell me...

You might be interested in
How does natural selection lead to the development of antibiotic-resistant bacteria? ​
choli [55]

Answer:

Antibiotic resistance is a consequence of evolution via natural selection. The antibiotic action is an environmental pressure; those bacteria which have a mutation allowing them to survive will live on to reproduce. They will then pass this trait to their offspring, which will be a fully resistant generation.

Survival of the Fittest (Natural Selection):

When bacteria are initially exposed to an antibiotic, those most susceptible to the antibiotic will die quickly, leaving any surviving bacteria to pass on their resistant features to succeeding generations.

5 0
3 years ago
Read 2 more answers
Like mammals, dolphins breathe air, but they are born underwater. Which is an innate behavior that a dolphin uses to breathe for
yan [13]
The answer is B.  This is because baby dolphins, when born, can't really comprehend a lot of things yet, so they, and the more adult dolphins there, try to get to the surface of the ocean to take a breath.  :D  I hope I helped!
4 0
3 years ago
How are humans responsible for environmental pollution​
Reptile [31]

Answer:

Humans are responsible for the environmental pollution in many ways . Some of the points are as follows :

1 ) People throw the wastes wherever they like instead of using dustbins .

2 ) The various types of gases from the industries which harms the nature .

3 ) Cutting off the trees . ( people can cut but also must plant a new one )

4 ) Farmers using different chemical substances in high amount in the crops .

5 ) Burning plastics , tires etc .

This was my way to answer the question , if you need then you can write in paragraph .

let me know if its incorrect . :-)

5 0
2 years ago
Lipid
Daniel [21]
The answer is A) Carbon
Hope this helps.
5 0
3 years ago
Read 2 more answers
Your lab group is experimenting with the diffusion of molecules across a membrane. Dialysis tubing is used as a model cell membr
Margaret [11]

Answer: the membrane channel

Explanation:

In passive diffusion, the small water molecules can move across the phospholipid bilayer seen in blue. This layer acts as a semi-permeable or selectively permeable membrane; its hydrophilic heads are attracted to water (seen facing outwards) while its water-repellent hydrophobic tails face towards each other- allowing  molecules of water to diffuse across the membrane along the concentration gradient.

Thus the water will move from an area of high concentration  to an area of low concentration, until the system reaches a steady state called equilibrium- after this, there will be no net movement of water. Similarly via osmosis, the water passes through the membrane due to the difference in osmotic pressure on either side of the phospholipid bilayer this means that the water moves from regions of high osmotic pressure/concentration to regions of low pressure/ concentration to a steady state.

The dialysis tubing mimics a semi permeable membrane; it only allows water and small molecules of iodine to cross into the bag containing starch. The tubing is impermeable to starch;  these large molecules require the aid of protein omplexes called membrane channels, in order to move across the membrane and against the concentration gradient.

5 0
3 years ago
Other questions:
  • Similarities between exothermic and endothermic
    7·1 answer
  • A researcher is concerned about a population of Bavarian pine voles, a type of endangered rodent. The researcher wants to estima
    5·2 answers
  • Gene genealogies can vary for different loci. What does this imply for species trees? Group of answer choices
    9·1 answer
  • When a person needs a gradual increase in the amount of a psychoactive drug to produce the desired effect, _____ has occurred.
    9·1 answer
  • The site of implantation of a fertilized ovum is
    8·1 answer
  • Which of these characteristics is common only at the embryonic stage of fish and humans, and is suggestive of a common ancestor
    15·1 answer
  • Does climate change negatively or positively impact ecosystems in a biome?
    7·2 answers
  • How can bacteria will there be after four hours from a single bacterium that divides to produce two cells every 15 minutes
    10·1 answer
  • 3. A family rented a pontoon and cruised across the lake at 15 mph for 1.85 hours. How many
    5·1 answer
  • When speaking of the anatomy of a virus, we can say that ________.
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!