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Artist 52 [7]
3 years ago
14

Plsss Help Will mark brainliest

Biology
2 answers:
Harlamova29_29 [7]3 years ago
8 0

Answer:

it allows some but not all

hope that helped

professor190 [17]3 years ago
7 0

Answer:

Only some particles are allowed through the sieve/colander, which is why they demonstrate the property of selective permeability.

Explanation:

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On average, adolescents need how many hours of sleep each night for proper growth and brain development?
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The answer would be D, 7 hours of sleep
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The bacteria, Angelinus ballerinea secretes a compound that inhibits the growth of other Gram-positive bacteria. Scientists take
Bad White [126]

The bacteria, Angelinus ballerinea secretes a compound that inhibits the growth of other Gram-positive bacteria. Scientists take this compound and add chemical groups to it to make it more stable for use in humans to treat bacterial infections. This is an example of antibiotic.

<h3>What is antibiotic?</h3>
  • Antibiotics from the key class of glycopeptides can stop this process.
  • Through five H-bonds, these antibiotics bind to the C-terminal d-Ala-d-Ala of the murein precursor, lipid II, and immature peptidoglycan, preventing transglycosylation and/or transpeptidation during the production of the cell wall.
  • Contrarily, antibiotics have easier access to the thick, porous peptidoglycan layer in the cell walls of Gram-positive bacteria, allowing them to more easily enter the cell and/or interact with the peptidoglycan itself.
  • The two main antibiotics that prevent the synthesis of bacterial cell walls are penicillins and cephalosporins.
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  • The medications specifically stop the bacteria from producing peptidoglycan, a chemical that gives the cell wall the toughness it needs to live in the human body.

Learn more about antibiotic here:

brainly.com/question/6970037

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8 0
2 years ago
Tại sao chúng ta lại bị trụt rút
cestrela7 [59]

Khi bạn quỳ lâu, đứng lâu sẽ gây ép lên các cơ bắp và mạch máu. Hoặc một tình trạng khác là khi ngủ bạn thường xuyên để cong chân, cơ bắp ở bắp chân khá ngắn, không được duỗi ra, duy trì tư thế này lâu, khi cử động nhẹ bạn sẽ bị chuột rút.

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3 years ago
stars of average mass, such as our sun, undergo fusion. what is the most massive element that can result from this process
Gennadij [26K]
It depends on the life stage that the star is in. Currently, in the mid-life stage, the sun is still fusing hydrogen into helium, so the maximum here is helium; however, far in the future when the star is nearing its final days, it can fuse atoms into elements as heavy as iron and nickel.
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3 years ago
Fruits with tiny hooks are most likely to be spread by
Ahat [919]
Fruits with tiny hooks are most likely to be spread by animal hair.             
Hope this helps!
7 0
3 years ago
Read 2 more answers
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