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Lapatulllka [165]
2 years ago
11

A study was performed on 20 trees to test the effectiveness of a new fertilizer. The results of this specific study is brought i

nto question. What would possibly improve the reliability of the results? Q: A: A) Replicate this study and perform more trials. B) Look for similar studies of other fertilizers. C) Repeat the study using a different kind of plant. D) Continue to collect data on the 20 trees in the study.
Biology
1 answer:
yKpoI14uk [10]2 years ago
6 0

Answer:

A) Replicate this study and perform more trials.

Explanation:

hope this helps

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You add the following components (in the correct volumes and concentrations) to a tube to perform a PCR reaction Buffer Magnesiu
uranmaximum [27]

Answer:

b. False

Explanation:

These components are not sufficient to successfully perform a PCR reaction. Deoxynucleoside triphosphates (dATP, dGTP, dCTP, dTTP) are missing so that the PCR reaction can occur perfectly.

The PCR technique allows a specific fragment of the DNA molecule to be amplified thousands of times in just a few hours. This technique revolutionized research in molecular biology because it had taken a long time for DNA amplification. From PCR it is possible to obtain enough copies of a part of DNA to detect and analyze the sequence that is the target of the study.

For a PCR reaction to be performed a solution with some components must be prepared. These components are:

  • Magnesium chloride buffer (to optimize reaction and act as a cofactor for polymerase)
  • Forward and reverse primers (to customize the start of the enzyme reaction)
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  • PCR-grade water
  • Deoxynucleoside triphosphates: dATP, dGTP, dCTP, dTTP (act as bricks in the construction of DNA molecules).
3 0
3 years ago
The Hawaiian Islands are home to many endangered species. Why do you think the Hawaii Department of Agriculture is so strict abo
PtichkaEL [24]

The correct answer is C. It is so strict because a foreign species could compete with a native species and drive it to extinction.

The Hawaiian islands are one of the geographical isolated islands which faces the problem of the invasive species affecting the biodiversity of the island negatively.

The foreign species is equipped better to survive in the Hawaiian habitat and competes with the native species for the resources and food. The interaction and competition of the foreign species in the Hawaiian environment and habitat limits the resources for native species which increases the chance of the native species getting endangered.

The Hawaii Invasive Species Council along with other bodies such as department of agriculture, department of business and economic development, private and other government and non-government bodies have taken initiatives towards eradication of invasive species by strict laws.

7 0
3 years ago
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What environments do coniferous plants live in
Akimi4 [234]
They live in the Winter climate
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3 years ago
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Why do some leaves turn from green to red, orange, or yellow in the fall?
11111nata11111 [884]

Answer:

Chlorophyll Breaks Down

Explanation:

because of changes in the length of daylight and changes in temperature, the leaves stop their food-making process. The chlorophyll breaks down, the green color disappears, and the yellow to orange colors become visible

U 2 can help me by marking as brainliest......

7 0
2 years ago
Which pair of objects will have the greatestforce of gravity between them
disa [49]

Answer:

what objects? because a dresser and a feather the answer would be dresser

Explanation:

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