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Lina20 [59]
3 years ago
5

A scientist uses a camera to study the stars.

Biology
1 answer:
Taya2010 [7]3 years ago
3 0

Answer:

to store star data for future reference

to count the number of visible stars in the sky.

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using the process of bacterial transformtion, a student reseacher inserted a plasmid containing a gene for antibiotic resistance
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Transfer of newly created plasmids to e coli. The bacteria that contains a plasmid with antibiotic resistance will grow in the presence of antibiotic concludes that the insertion was successful.

<h3><u>Explanation:</u></h3>

The plasmid DNA that contains the foreign DNA when integrated with the competent bacteria which is e coli and heated,  plasmid DNA will be entering into the bacteria by means of some smaller pores that are created in the  membranes of the cell.

The plasmid DNA will be copied many times with the help of the replicating mechanism of DNA of the bacteria. Bacteria will grow on a nutrient rich food called agar after the transformation process. Those bacteria that contains a plasmid containing antibiotic resistance only grow in the antibiotic presence. Transformed bacteria will then grow in larger quantity.

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Explain using the term semi-conservation replication why we still
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Answer:

Semi-conservation replication describes the mechanism of DNA replication in all known cells. This process is known as semi-conservation because two copies of the original DNA molecule are produced. Each copy contains one original strand and one newly-synthesized strand.

DNA is passed down to the next generation in big chunks called: Chromosomes.

Every generation, each parent passes half their chromosomes to their child. If nothing happened to the chromosomes between generations, then there would be around a 1 in 8 change that you would get no DNA from a great, great, great, great grandparent.

What most people forget, through, is that our chromosomes get mixed and matched before they are passed on. It is because of this "recombination" that your great, great, great grandparent's DNA is almost cetainly still lurking in yours.

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Which is required for both anaerobic respiration and aerobic respiration?

ANSWER IS OXYGEN

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