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Naily [24]
3 years ago
7

What is used to break DNA into smaller pieces ?

Biology
2 answers:
erastova [34]3 years ago
3 0

Answer:

In the laboratory, restriction enzymes (or restriction endonucleases) are used to cut DNA into smaller fragments. The cuts are always made at specific nucleotide sequences. Different restriction enzymes recognise and cut different DNA sequences.

Alexandra [31]3 years ago
3 0

Answer:

restriction enzymes (or restriction endonucleases) are used to cut DNA into smaller fragments.

Explanation:

The cuts are always made at specific nucleotide sequences. Different restriction enzymes recognise and cut different DNA sequences.

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Which theory of development do you prefer: Piaget or Erikson's stages? Why?
sergeinik [125]

Answer:

Differences between Piaget and Erikson

Alternatively, Piaget examined the thought process of the child and how their brain responded to the environmental factors around them, rather than just crises. While Piaget focused on cognitive development, Erikson's thoughts were more focused on emotional development.

Explanation:

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8 0
3 years ago
Darwin was pilloried for his theory of evolution through natural selection. ("Pillory" is a big word from the 19th century; it w
lukranit [14]

Answer:

The central principle of Darwin theory is based on the fact that,

He observed that  in a given population,organism usually produced more offspring  than than they can naturally capable of taken care of to replace the parents population.And this leads to increase in large population.

Despite this large population the natural population  remain stable over a long period of time.

Because in  this population organisms compete for needed resources for survival, thus certain organisms with special characteristics or traits were able to  for survive better, and therefore get the natural resources, and resist the selection pressure while others which can not, will be removed from the population. Hence there is competitions for the natural resources,

Therefore organisms  that survived were better adapted, because they must have inherited the  survival traits or genes from their parents. This surviving traits is caused by  variation.And is is responsible for their  better adaptation  and survival in the population.

A s this continues the population of the survived organisms will dominates,This is because these organism are  naturally selected by nature,  and able to resist  the  selection pressure.

They are known as the survival of the fittest, and their selection advantages due to variation (caused be mutation) is responsible for their dominating population and natural selection compare to the less selected ones.

Explanation:

7 0
3 years ago
Select the correct locations on the image. The diagram illustrates the evolution of the universe, starting from the big bang. Ea
Yuliya22 [10]

Answer:

Are you able to draw this out in a parapgh

3 0
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RNA polymerase possesses its own helicase enzymatic activity. This means that once it binds to a promoter of a gene, it can
Darina [25.2K]

Answer:

catalyze the process of transcription from DNA to RNA

Explanation:

RNA polymerase recognizes the promoter and binds directly to the gene sequence.

The polymerase is inserted at the right points to start transcription and also ensures that the RNA polymerase is in the right direction.

The polymerase goes through the chain, transcribing DNA to RNA until it finds the stop sequence, which contains nitrogenous bases that indicate the end of the transcription process. RNA polymerase binds to sequences at a site called a promoter region .

5 0
3 years ago
Which of the following is NOT a function of the digestive system?
DaniilM [7]

Explanation:

Deliver nutrients to the body cells.

3 0
3 years ago
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