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almond37 [142]
4 years ago
9

PCR is a useful technique because A. it makes enough copies to eliminate mutations B. it makes enough copies to study the DNA C.

it makes materials needed for unzipping the DNA helix or D. it makes more copies than a restriction map does
Biology
1 answer:
andriy [413]4 years ago
3 0
The answer is choice c.
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kondaur [170]
A. A person gets out of his mind, he becomes calm then the situation is effective,he doesn't care out about stuff. It's not  B or C of course,it could be D. But i think its A.
4 0
3 years ago
The resulting pain and inflammation when pleural fluid is unable to prevent friction between opposing pleural surfaces is known
Effectus [21]

Answer

The correct option is B.

Reason

            A brief technical explanation for each option is given below.

a. Asthma

                 It is lower respiratory disorder in which air passage way become narrow and swells, produce extra mucus which make difficulty in breathing, and trigger sneezing, wheezing and shortness of breath.

b. Pleurisy

                 It is lung disease in while pleura, lining of lung and chest cavity become inflamed due to accumulation of pleural fluid. The fluid is accumulated through the process of pleural effusion which may be transudate or exudate.

c. Pulmonary hypertension

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d. COPD

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e. Emphysema

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6 0
3 years ago
What is the name of one convection cell that forms because of the Coriolis effect? How does the air move in that convection cell
My name is Ann [436]

Answer:

  1. Hadley Cells
  2. Warming air causes it to ascend. The cool air will sink. The action eventually results in a convection cell, with air rising, traveling to the side, dropping, and returning. This heat-driven air movement circulates heat throughout the atmosphere.

<u>OAmalOHopeO</u>

6 0
3 years ago
The chloroplast functions in
Virty [35]

Answer:

photosynthesis

Explanation:

chloroplasts has chlorophyll is essential for photosynthesis the process in which plants make food

4 0
3 years ago
the statue of liberty was originally a copper color. after being exposed to the air,she turned a greenish color. what kind of
Masteriza [31]
You could either say it turned because of oxidation or corrosion.
3 0
3 years ago
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