What does selectively permeable mean

Answers

Answer 1

Answer: Selectively permeable means that it allows only the nutrients it needs but keeps out the bad things out. For example, some windows have the netting to keep out the bugs from going into your house. That is selectively permeable.

Answer 2

Answer:

Final answer:

Selectively permeable refers to the property of cell membranes that allow certain substances to pass through but bar the passage of others. This characteristic is crucial for cell survival as it enables necessary nutrients to enter, harmful substances to flee, and blocks the entry of any negative materials.

Explanation:

The term selectively permeable refers to a property of cell membranes. If a cell membrane is selectively permeable, it means the membrane allows certain substances to pass through while restricting the passage of others. This function is vital for cell survival, as it allows essential nutrients to enter, unwanted substances to leave, and also prevents harmful materials from entering the cell.

For instance, a cell membrane is typically permeable to small molecules like oxygen and carbon dioxide but impermeable to larger molecules such as amino acids and sugars, unless facilitated by specific transporters.

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Complete the sentence. Choose the best answer from the choices provided. Based on the myths “The Maori: Genealogies and Origins in New Zealand” and “The Raven and the First Men: The Beginnings of the Haida,” one way the Maori culture most differs from the Haida culture is that the Maori cultureA. cares for the earth.
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Answers

"Is made up of fierce warriors" is the statement among the choices given in the question that is the best answer from the choices provided. The correct option among all the options that are given in the question is the second option or option "B". I hope the answer has come to your great help.

b..is made up of fierce warriors

3. Which of the following effects do the sun and moon have on tides when they are nearly in line with Earth during a new moon? (1 point) They produce an extremely low tide. They produce an extremely high tide. They produce a tide with the greatest difference between consecutive low and high tides, or a spring tide. They produce a tide with the least difference between consecutive low and high tides, or a neap tide.

Answers

The sun and the moon has an effect on the tides when they are nearly in line with Earth during a new moon. This effect is they produce a tide with the greatest difference between consecutive low and high tides, or a spring tide.

_______ make(s) the walls of plant cells strong and rigid.a. Pectins
b. Gums
c. Oligosaccharides
d. Cellulose

Answers

The correct answer is D. Cellulose is what makes the walls of plant cells strong and rigid. Cellulose is a polysaccharide that is very important for their structural role in animals and plants. It gives rigidity to the cells of a plant.

Answer:

D. Cellulose

Explanation:

in 1958 a union was formed in europe that eliminate all trade barriers among member nations, set up a common tariff with non-members, and allowed in the free movement of goods, labor, and capital.What was the name of this union?

Answers

I believe this would be the European Economic Community. It was founded in 1958 and accomplishes everything you listed.

Which of the following is an environmental consequence of importing resources into the United States?a. air pollution
b. habitat loss
c. oil spills
d. all of the above

Answers

The correct answer should be C. oil spills. If you take oil into the United States then there's bound to eventually be an oil spill. Habitat loss can occur when you deforest lumber in order to give it to the US because they pay you for it so the animals in your forest lose homes. Air pollution is because of all the fuel used to transport things into the US.

Answer:

D is the correct answer

Explanation:

For most populations that are growing, as resources start to become less available, the population A. reaches carrying capacity.
B. increases more rapidly.
C. enters a phase of exponential growth.
D. declines rapidly.

Answers

I really need this answer

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