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3 years ago

Where is kudzu native to?Why was it brought to the US?How did kudzu grow uncontrollably?

Biology

1 answer:

lidiya [134]3 years ago

8 0

Answer:

Explanation:

Kudzu is a Woody, climbing night vine trees that is native to China, Japan and also Indian. They are invasive trees.

2. It is introduced to United States from Japan during the the Philadelphia Centennial Exposition in 1876. It was introduced to serve as as an ornamental and it is also planted as a forage crop plant. The southern farmers planted kudzudo as to reduce soil erosion.

3. Kudzu is an aggressive plants and grow uncontrollable because it has ability to grow very fast and it can survive in an area, area with low nitrogen thereby outcompeting the native plants.

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lutik1710 [3]

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sashaice [31]

Answer:

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At 88 meters (289 feet), Landscape Arch is the longest natural arch in Arches National Park in Utah. Many geologists believe it

kirill115 [55]

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3 years ago

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IceJOKER [234]

Answer:

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3 years ago

Which of the following statements about excision repair is correct?

maxonik [38]

Answer:

a. True, b. False, c.True, d. True

Explanation:

a. Base excision repair is started by a DNA glycosylase that recognizes the changes and removes the altered base by cleavage of the glycosidic bond binding the base and the deoxyribose sugar together.

b. Nucleotide excision repair works by a cut-and patch mechanism that removes their heavy lesions, including pyrimidine dimers and nucleotides . Endonucleases are responsible for the lesion of the damaged strand.

c. Nucleotide excision repair is initiated by the proteins namely UvrA, UvrC, and UvrB in Escherichia coli.

-UvrD (helicase II) later removes the damaged strand

-DNA polymerase I (PolI) fills in the resulting gap.

d. DNA glycolases removes the damaged nitrogenous base.

-It leaves the sugar-phosphate backbone intact and thus creating an apurinic/apyrimidinic site, which is commonly referred to as an AP site.

e. Xeroderma pigmentosum complementation group A(XPA)

-This is an essential protein in the nucleotide excision repair pathway.

- It helps to make a pre-incision complex along with other proteins.

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3 years ago