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Ahat [919]
4 years ago
6

Where does a protein generally bind to dna to prior to replication

Biology
1 answer:
sergij07 [2.7K]4 years ago
5 0

Answer:

Three possible DNA replications

1. The conservative model, where two old DNA chains remain unchanged, functions as a template for two new DNA chains. This replication preserves molecules from old DNA and makes new DNA molecules.

2. Semiconservative model, where two old DNA chains are separated and a new chain is synthesized with the principle of complementation in each of the old DNA chains. Finally, two new DNA chains are produced, each containing an old DNA molecule chain mold and one new chain resulting from synthesis.

3. Dispersive model, which is some part of the two old DNA chains used as a template for the synthesis of new DNA chains. Therefore, the end result is obtained old and new DNA chains that are spread over old and new DNA chains. This replication produces two old DNA molecules and new DNA that are alternating on each strand.

After successfully modeling DNA structure, Watson and Crick predict that DNA replicates in a semiconservative way. Then in 1958, Matthew Meselson and Franklin Stahl conducted an experiment to test the three alternative hypotheses of DNA replication using the DNA of the bacterium Eschericia coli. The results turned out to support the semiconservative replication model predicted by Watson and Crick.

 

Explanation:

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Members of which phylum establish a successful symbiotic relationship with the roots of trees?
Alchen [17]

Answer:

The correct answer is Glomeromycota

Explanation:

Arbuscular mycorrhizae are characterized by the formation of unique structures, arbuscles, coils and vesicles of fungi of the phylum Glomeromycota. They are a type of endomicorrhiza in which the fungus penetrates the cortical cells of the roots of a vascular plant.

In this symbiotic association, the fungus helps the plant to capture nutrients such as phosphorus, sulfur, nitrogen and soil micronutrients. It is believed that the development of symbiosis with arbuscular mycorrhizae played a crucial role in the initial colonization of the earth by plants and in the evolution of vascular plants.

This symbiosis is a highly evolved mutualistic relationship found between fungi and plants.

8 0
4 years ago
A man is 1.7 m long. An amoeba is 17 um long. How does the length of the
grandymaker [24]
A man is 100,000 times larger in micrometers than the amoeba, since 17 micrometers is 0.000017 meters, and 1.7 meters is 1,700,000 micrometers
5 0
3 years ago
Describe the function of each of the important structures in a virus. (
Ratling [72]

Answer:

The main function of the virion is to deliver its DNA or RNA genome into the host cell so that the genome can be expressed (transcribed and translated) by the host cell. The viral genome, often with associated basic proteins, is packaged inside a symmetric protein capsid.

Explanation:

what is  a virus A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea. Since Dmitri Ivanovsky's 1892 article describing a non-bacterial pathogen infecting tobacco plants and the discovery of the tobacco mosaic virus by Martinus Beijerinck in 1898, more than 9,000 virus species have been described in detail of the millions of types of viruses in the environment. Viruses are found in almost every ecosystem on Earth and are the most numerous type of biological entity. The study of viruses is known as virology, a subspeciality of microbiology.

5 0
3 years ago
If b is dominant over b, list the offspring that will exhibit or show the dominant trait.
Lelechka [254]

Answer:

if its BB or Bb the offspring will show the dominant trait

Explanation:

If its bb then the trait wont be expressed

5 0
2 years ago
Looking at this barometer is the air pressure high or low? What type of weather would you expect?
igomit [66]

Answer:

i think ti would be D. sorry if it's wrong.

Explanation:

3 0
3 years ago
Read 2 more answers
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