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sergij07 [2.7K]
3 years ago
5

How to you define heat and temperature​

Biology
1 answer:
nadya68 [22]3 years ago
3 0

Answer:

Heat is how hot an object is.

Temperature is how hot or cold and object is.

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A rapid method of speciation that has been important in the history of flowering plants is
Margarita [4]

Answer:

Polyploidy

Explanation:

Polyploidy can be defined as a rapid method of speciation that has been important in the history of flowering plants.

In plants, it involves the possession of two complete sets of chromosomes and it leads to the origin of new species.

Hence, the two sets of chromosomes comprises of triploidy (69 chromosomes) and tetraploidy (92 chromosomes).

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2 years ago
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A student wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. To test this hypothesis, the stu
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The dependent variable is the variable which can be manipulated and can affect the independent variable. The dependent variable is on the x-axis while the independent variable is placed on the y-axis. In this case, the x-axis is the number of weeks while the y-axis is the height of the plant.
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3 years ago
Which statement is true of both plant and animal cells?​
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Answer:

I

Explanation:

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2 years ago
The cell membrane's function is to..
melisa1 [442]

Answer:

The first bullet point is correct

Explanation:

The cell membrane controls what comes in and out of the cell, it needs minerals so would not block them completely, and water does not enter cells so it is clearly the first one.

3 0
2 years ago
In two to three sentences, explaining how the creation of recombinant DNA is like cutting and pasting
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Recombinant DNA is a type of artificial DNA which have genes that are taken from different organisms. During this process, a gene is take from one organism and putting the gene into another organism. Basically, the technology follows cut and paste scheme to form the new brand of DNA.

So to conclude this the technology cuts part of the DNA out to create a new DNA so you are cutting and pasting new DNA which is incredible. 

Hope this helped. 
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3 years ago
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