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OlgaM077 [116]
2 years ago
5

Explain the role of calcium ions in the structure of cell walls in plants.

Biology
1 answer:
Sav [38]2 years ago
5 0
Calcium ions are involved in many mechnisms: for example, stabilization of cell wall structures, acidic growth, ion exchange properties, control of the activities of wall enzymes. All these properties originate from the tight binding of calcium ions to the pectins present in the cell walls.
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Answer:

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Explanation:

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Assess whether urban or rural areas are more likely to have high levels of smog.
yan [13]

The urban areas are more likely to have smog than the rural areas.

Urban area can be referred to as the town or city with advances an developments. Since the urban areas have more population density, more electronic items, vehicles and also industries, that is the reason why they are more likely to produce the smog or any other form of pollution.

Smog is a type of air pollution formed dye to the combination of smoke and fog. The most common source of smog is the burning of coal. This can be either due to industries or the fuels of vehicles. Fog can be of two types: Photochemical smog and industrial smog.

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2 years ago
A woman with one allele for huntington's disease marries a man who also has one allele for the disease. what is the probability
iren [92.7K]
If its a dominant allele 75%
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3 years ago
¿Que es un tretapodo?
Mars2501 [29]
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3 years ago
Read 2 more answers
A bacterium is infected with an experimentally constructed bacteriophage
dem82 [27]

The complete question is:

a bacterium is infected with an experimentally constructed bacteriophage composed of the T2 phage protein coat and T4 phage DNA. The new phages produced would have

A) T2 protein and T4 DNA

B) T2 protein and T2 DNA

C) a mixture of DNA and proteins of both phages.

D) T4 protein and T4 DNA

E) T4 protein and T2 DNA

A bacterium infected with an experimentally constructed bacteriophage will give new phages with the virus' DNA and the type of proteins that this DNA encodes.

A bacteriophage is a virus that attaches itself to a bacteria and uses it to replicate itself. Viruses have two main parts, a protein coat and their DNA inside it.

  • The experimentally constructed bacteriophage has one type of protein that makes the coat, the T2. This type of protein will allow the virus to attach and infect the bacteria.
  • Once the virus attaches itself to the bacteria, it will introduce its DNA, T4 type, and use the bacteria elements to replicate it and create new phages.
  • As a result, the new phages will have T4 DNA, and the proteins that the virus synthesizes will be the same type as the DNA.

In conclusion, The new phages produced would have D) T4 protein and T4 DNA.

Learn more at:

brainly.com/question/3901247

8 0
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