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Mashutka [201]
3 years ago
15

CAN SOMEONE PLEASE HELP ME WITH THIS I ASKED SO MANY TIMES PLEASE HELP ME IM HAVING TROUBLE ANSWERING THESE QUESTIONS

Biology
1 answer:
tiny-mole [99]3 years ago
6 0
Sorry i might be wrong but i think its 11x3 r 3
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Scientists like to use fluorescent proteins for various types of recombinant DNA procedures. You have a very small amount of the
Novosadov [1.4K]

Answer:

The correct answer is b.Amplify the gene using PCR. Insert the gene into a plasmid vector. Transform the vector into the bacteria.

Explanation:

If I have a very small amount of gene for a fluorescent protein than the first step is to amplify the gene so that appropriate protein can be produced. PCR is the instrument that is used to amplify the protein.

So after amplification of the gene, the plasmid vector will be used in which the gene will be inserted because the plasmid vector is used to insert this gene in host cells where protein will be expressed.

The final step will be to transform bacteria with recombinant plasmid so that plasmid can make its copy and express a fluorescent protein in bulk.

6 0
3 years ago
Which is a characteristic of the littoral zone of lake erie?
Lostsunrise [7]

<span>Wide variety of fish species.  It always includes this intertidal zone and is sometimes used to mean the same as the intertidal zone. Though, the meaning of "littoral zone" can be overall well beyond the intertidal zone. The littoral zone is the same as a sea, lake or river that is close to the shore. In coastal environments the littoral zone extends from the high water mark, which is very rare inundated, to shoreline areas that are permanently submerged.</span>

5 0
3 years ago
Pls hurry need help there is a link or screenshot
FrozenT [24]
1,4,5 are the answers
5 0
3 years ago
Read 2 more answers
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a. What is a star's spectrum?

A star's spectrum refers to the <em>"amount of light"</em> that stars they give off according to varying wavelengths. Since we cannot tell the amount of light a star gives off quantitatively from Earth, we can differentiate them according to how bright they appear.

b. Which spectrum is most common in stars?

Stars are classified according to their spectra <em>(elements in the star)</em>. They are classified into 7 types <em>(O, B, A, F, G, K and O). </em>The most common type is M, however, it gives off a dim light.

c. How can it differ from start to star?

Although stars follow a continuous spectrum, the spectra of a star differs from each other because <u>they do not give off the same amount of energy at the different wavelengths. </u>

d. What does the spectrum tell us about the star?

The spectrum can tell the<em> surface temperature</em> of the star. This means that a blue star (we often see it as a white-colored star from Earth) is hotter than that of a yellow star. A red star is considered the coolest star among all.

The spectrum of stars also allows the astronomers to study composition of the stars according to their <em>wavelengths.</em>

8 0
3 years ago
The health belief model of __________ was developed to understand why so few people participated in health screening programs su
Ber [7]
<span>Irwin Rosenstock developed this model. His research was used to show why so few people undertake preventative measures for diseases and illnesses. This model shows that people tend to think that they are healthier than they might be, so there is no need for them to get screenings or other types of treatment.</span>
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