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
JulsSmile [24]
3 years ago
7

What is selectively permaeble

Biology
1 answer:
vesna_86 [32]3 years ago
5 0
Selectively permeable (or semi permeable) means where for example a membrane can choose what material can pass through while others cannot. They control the in and out of materials.
This is because the membrane has tiny spaces, where only smaller molecules can pass through, other larger ones cannot.
You might be interested in
The probability of flipping a coin twice and getting heads is_______
Free_Kalibri [48]
50/50
you see, the coin only has 2 sides
Also, you're flipping it twice
therefore, the probability is matched up and you have a 50/50 chance of getting heads at least 1 of those 2 times
(Hope it helped ^_^)
6 0
3 years ago
Read 2 more answers
When using a pocket mask, the rescuer would be positioned at the side of the victim?
Reil [10]
<span>True. Pocket mask is otherwise known as CPR mask, pocket face mask is a device used for the artificial ventilation during a cardiac arrest. When giving aid the mask should be applied to the patient's face using thumbs of both hands. Then stand on one side of the victim and give rescue breaths.</span>
5 0
3 years ago
Which of the following factors might cause checkpoint genes to interrupt cell division? Check all that apply. Neurological signa
Strike441 [17]

Answer:

Neurological signals sent from fear responses in an organism tell the cell to stop. The cell's DNA has been damaged somehow. The cell's DNA was replicated incorrectly.

Explanation:

All the three options given can cause checkpoint genes to interrupt cell division.

Checkpoint genes are transcription genes that control cell cycle and sense defects during cells processes like DNA replication, segregation e.t.c and create response till the defects is repaired in the DNA. The important of checkpoint is that it ensure enough nutrients are available to support for division, ensure that the DNA has not been damaged, ensure that cells DNA is copied correctly and make sure cells have enough RNA for their protein synthesis.

Checkpoints genes can interrupt cell division if the dna is damaged, Dna is copied incorrectly and neurological signal sent from fear responses in an organisms tell the cells to stop.

5 0
3 years ago
When is it appropriate to use images in presentations?
Molodets [167]

Answer:

to illustrate key points simply.

Explanation:

You first use images to back up your evidence, then secondly use them to add aesthetic value to your slide

4 0
2 years ago
Read 2 more answers
In any population, certain factors may enhance population growth while others may limit or even cause a population to decline. W
Ahat [919]

Answer: Incorrect  question. I provided a lesson about population.

Explanation:

What is a population Why is it important?

Why Population is Important

Any truly meaningful conservation and sustainability efforts must take the expanding human population footprint into consideration. Globally, over 228,000 people are added every day — each needs sufficient land, water, shelter, food, and energy for a decent life.

5 0
2 years ago
Other questions:
  • Which action might lead scientists to develop new explanations about the
    9·1 answer
  • A large variety of grass species, wildflowers, fruit trees, snow leopards, and mountain goats are found in the
    9·2 answers
  • The cenozoic era began approximately _____ million years ago.
    9·1 answer
  • Which of the following is NOT TRUE about Titan?
    12·2 answers
  • The N-H bond in ammonia is polar because
    14·2 answers
  • Which of the following best describes the function of the pistil in plant reproduction? It grows into the endosperm, which provi
    10·1 answer
  • Which of the following is a true statement?
    15·1 answer
  • If cells were fed glucose with radioactive 14c, what other molecule besides co2 would you expect to be radiolabeled? see section
    9·1 answer
  • As a responsible citizen and future taxpayer, what concerns would you have about switching from a traditional fossil fuel-based
    12·1 answer
  • Help please! (Easy question) I think it's D
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!