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
stich3 [128]
3 years ago
13

How can a membrane be permeable to one substance while being impermeable to another substance?

Biology
1 answer:
statuscvo [17]3 years ago
5 0

Answer:

It varies due to their polarities.

Explanation:

Remember, a membrane is a semi-permeable membrane. There are some substances that can cross the membrane and others have to take different route. It all comes down to their polarity. If we were to examine a membrane made of phospholipid bilayers, one side of it has hydrophilic heads and the inside has hydrophobic tails. The membrane is therefore polar, allowing polar substances to enter in and out of the cell. Non polar substances, such as water have to take a different route, through special proteins called aquaporins.

You might be interested in
Most irregular galaxies are thought to have formed _____. from nebulas that cooled very quickly right after the big bang from co
Brums [2.3K]
Most irregular galaxies are thought to have formed from <span>collisions between other galaxies.

This is just one wat that irregular galaxies are formed; the collision is due to the interaction of their gravitational forces. These galaxies might have been regular before the collision, but are not deformed. 
Another form of irregular galaxies are the ones that are still very young and therefore have not yet reached their symmetrical state.</span>
6 0
4 years ago
Read 2 more answers
List any two differences between distance and displacement..​
maw [93]
Distance is the length of the path travelled
displacement is the shortest length of the path travelled

distance does not have direction, hence, it is a scalar quantity
displacement has direction, hence, it is a vector quantity
4 0
3 years ago
Better mirrors the mitosis process.<br><br> Meiosis II<br> Meiosis I
harina [27]

Answer:

Meiosis 1 better mirrors the process of mitosis.

Explanation:

During the process of mitosis, the somatic cells of the body replicate to form two daughter cells which are identical to the parent cell. In meiosis I, two daughter cells are formed. During mitosis, diploid cells are formed. During meiosis 1 also, two diploid cells are formed. hence, these two processes are more similar as compared to mitosis II. in mitosis II, four haploid cells are made as a result of the division process.

8 0
4 years ago
Read 2 more answers
Are all types of<br> bacteria<br> harmful? Explain.<br> The Science Duo
vichka [17]

Answer:

No

Explanation:

There are muliple types of bacteria that helps the human body there are also bacterias that help fish and other animals.

4 0
3 years ago
Bohr hypothesized what about the atom?
Shtirlitz [24]
To solve the stability problem, Bohr modified the Rutherford model by making sure that the electrons move in orbits of specific size and energy. The energy of an electron depends on the size of the orbit and is lower for smaller orbits. However, radiation can only happen when the electron jumps from one orbit to another.
3 0
3 years ago
Other questions:
  • Of the following, which is most likely to be considered a developing nation?
    13·1 answer
  • The ________ requires property owners to pay to clean up waste that is hazardous
    12·1 answer
  • Chantel dropped a tiny spot of ketchup on her pants during lunch. Even though her teacher was able to completely remove the spot
    5·1 answer
  • Which of the following is most likely to be observed by a physiologist?
    9·1 answer
  • Which of the following is an example of Genetic Engineering?
    8·1 answer
  • A(n) _____ is a cell that specializes in receiving and transmitting information
    12·1 answer
  • Need help on this question
    13·1 answer
  • 1. Most students in Britain take the GCSE when ____________.
    14·1 answer
  • What happens to the light intensity as you adjust the diaphragm? Explain your answer.
    5·1 answer
  • Αи αєяο ρℓαиє ƒℓìєѕ ωìτн α ѕρєє∂ οƒ 720κмн. нοω ℓοиg ωìℓℓ ìτ τακє το τяανєℓ α ∂ìѕταиϲє οƒ 360 κìℓοмєτяєѕ?
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!