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3 years ago

How are restriction enzymes and ligase used in biotechnology?

Biology

1 answer:

elixir [45]3 years ago

4 0

Answer:

A. Restriction enzymes cut DNA at specific locations, producing ends that can be ligated back together with ligase.

Explanation:

Restriction enzymes are one of the endonucleases that cut the DNA at specific base sequences. The base sequences recognized and cut by the restriction enzymes are known as restriction sites.

Restriction enzymes are used in recombinant DNA technology to cut the DNA at specific sites. Restriction enzymes can produce DNA fragments with sticky ends or blunt ends. These DNA fragments are joined together by DNA ligase enzyme.

For example, the donor DNA and the vector DNA are cut at specific sites using a particular restriction enzyme. The resultant DNA fragments have complementary ends that are ligated together by the action of a DNA ligase enzyme. The result is the insertion of a gene of interest into the vector DNA.

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Genetic material is being duplicated during which phase of the cell cycle? A. D phase B. M phase C. interphase D. G0 phase

Leno4ka [110]

Genetic material is being duplicated during C. Interphase of the cell cycle.

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3 years ago

If a wolf was heterozygous and had white fur, and another wolf was homzygous and had brown fur, what would the percentage of the

dezoksy [38]

Answer:

50%

Explanation in photos bc apparently my answer had links or curse words

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3 years ago

Velocity (m/s)

nekit [7.7K]

Answer:

Although the graph was missing, I managed to find it on another source. According to the given conditions, correct answer is option C. A dog stop at his home for 5 seconds.

Reason:

In the graph, The dog was west of his home then he came back, he stopped at his home then runs to other direction (East).

When the dog was running from west to home, his running speed or velocity was 1 m/s which was then decreased to 0 m/s after reaching home. Here (at home) the dog stopped for a while (5 seconds according to the graph), and his velocity was 0 m/s. Then, he started running again to other East direction with velocity -2 m/s (opposite direction).

See attached images for further description.

7 0

3 years ago

SOMEONE PLEASE HELP ME WITH THIS I WANT TO PASS THIS TEST

Ivan

Answer:

Explanation:

the mitochondria is the power house of the cell, just like the battery is a "power house" to an electronic

5 0

3 years ago

DNA controls the cell by transmitting genetic messages that result in protein production. Place the following organelles in the

Airida [17]

Explanation:

Replication is the way to perpetuate genetic information, and ensure a faithful copy of the information in each of the cells produced by division. Regarding the transmission of information within the cell, the fundamental steps are two.

The first step, transcription, consists of the exact copy of one of the strands of DNA to RNA; the RNA sequence will be exactly the same as that of the copied DNA, except for the presence of uracil (U) instead of thymine (T).

The second step, translation, involves the synthesis of proteins using the genetic code, which identifies specific amino acids from a set of three bases.

The three processes mentioned are polymerization processes, which can be divided into three stages: Initiation, elongation and termination, defined in each case by specific events.

Between transcription and translation, in some cases there is a processing of transcripts in order to obtain mature messenger RNA (mRNA). Translation products are also processed. In each case, signaling elements are involved in the molecule that carries the information (DNA, RNA or protein) to give rise to a correct copying or processing.

4 0

4 years ago