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yan [13]
3 years ago
11

Expanded volcanic rock used as a soil amendment is known as _____.

Biology
1 answer:
deff fn [24]3 years ago
3 0

Answer:

A or B

Explanation

I think it is A or B hope it helps ;-;

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1. During the lesson, you analyzed the DNA sequence of the housefly. For which of the following organisms would you expect the D
Blababa [14]

1. Answer;

Monkey

Explanation;

-Scientists can compare the DNA of two organisms; the more similar the DNA, the more closely related the organisms.DNA-DNA hybridization, this process hybridizes the genetic information from two different organisms to determine similarities between them.

-In this case the DNA of housefly, bettles , butterfly and grasshopper are very similar as they are closely related organisms.

Therefore; Monkey's DNA would be expected o be least similar to the housefly’s.


2. Answer;

The sample yields very little DNA, which means that it must be amplified to produce enough quantity to detect on a gel

Explanation;

-Polymerase chain reaction, or PCR, is a technique used to take a piece of DNA and make many copies of it. This technique is very similar to the natural process which cells use to make new copies of DNA, but it is also a little different.

-PCR is a necessary step in the analysis of a DNA sample taken from a crime scene because the sample yields very little DNA, which means that it must be amplified to produce enough quantity to detect on a gel.

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Molecules that make up living things contain carbon are called
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Answer:

Carbon-based compounds in living things are called biochemical compounds.

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Which of the following best describes physical weathering?
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Answer:

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exis [7]
2. tRNA
a type of RNA<span> molecule that helps decode a messenger </span>RNA<span> </span><span> sequence into a protein</span>
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What is the difference between threatened, extinct, and endangered animal species?
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Explanation:

Well extinct  means like the no mo species and endangered means  that they are  a low number of species and threatened means they face extinction  

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