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nekit [7.7K]
3 years ago
13

You've collected several samples of DNA at a crime scene, but they are all short strands. What technique would you rely on to as

sist with analysis?
A) RFLP

B) STR

C) PCR

D) APA

The answer is C) PCR.
Chemistry
1 answer:
Nezavi [6.7K]3 years ago
3 0

Option C

PCR technique would you rely on to assist with analysis

<u>Explanation:</u>

Experts elaborate this tiny specimen by a means acknowledged as a polymerase chain reaction, or PCR. PCR produces replicas of the DNA significant like DNA duplicates itself in a cell, offering virtually any coveted measure of the ancestral element.

Following the accumulation of biological matter from a crime picture, the DNA is beginning derived from its biological source element and then estimated to assess the number of DNA rescued. Subsequent detaching the DNA from its cells, precise areas are imitated with a procedure acknowledged as the polymerase chain reaction, or PCR.

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Please help quick<br> Alkali means ___.
sveticcg [70]

Answer:

Metal

Explanation:

In chemistry, an alkali is a basic, ionic salt of an alkali metal or alkaline earth metal chemical element. An alkali also can be defined as a base that dissolves in water. A solution of a soluble base has a pH greater than 7.0.

8 0
3 years ago
WORTH 53 POINTS AND BRAINLIEST!!!
Natali5045456 [20]
The answer would be D carbon dioxide
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2 years ago
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A 40-lb container of peat moss measures 14× 20× 30 in. A 40-lb container of topsoil has a volume of 1.9 gal. Calculate the avera
Viktor [21]

The average density of the peat moss in units of g/cm³ is 2.52 g/cm³

<h3>How to convert 40 lb to grams (g)</h3>

We'lol begin by converting 40 lb to grams (g). This can be obtained as follow:

1 lb = 453.592 g

Therefore,

40 lb = (40 × 453.592) / 1 lb

40 lb = 18143.68 g

<h3>How to convert 1.9 gal to cm³</h3>

We can convert 1.9 gal to cm³ as follow:

1 gal = 3785.41 cm³

Therefore,

1.9 gal = (1.9 gal × 3785.41 cm³) / 1 gal

1.9 gal = 7192.279 cm³

<h3>How to determine the density </h3>

The density can be obtained as follow:

  • Mass = 18143.68 g
  • Volume = 7192.279 cm³
  • Density =?

Density = mass / volume

Density = 18143.68 / 7192.279

Density = 2.52 g/cm³

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8 0
1 year ago
how the various concentrations of acid will affect the amount of limestone that is dissolved from each jar.
schepotkina [342]

The explanation of the how the various concentrations of acid will affect the amount of limestone has been given below.

Effects of acid rain on limestone:-

  • When an acid combines with a carbonate, it produces carbon dioxide as a gas and forms a salt that is soluble in the carbonate and acid's water.
  • There are several gases in the atmosphere that can dissolve in precipitation such as rain and snow.
  • Some may produce acids in rain water, such as carbonic acid, sulfuric acid, and nitric acid.
  • Because the concentration is modest, the rain is not highly acidic, but it is acidic enough to react with the carbonates that make up limestone.

Thus we discussed the affects of acid rain on limestones above.

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1 year ago
List 3 Metals in the periodic table.
musickatia [10]
Chromium , silver, zinc...
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