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kati45 [8]
2 years ago
14

At a distance of 4 LY, Proxima Centauri is the closest star to the Earth (other than the Sun) and is clearly visible to the unai

ded eye for observers located in the Southern hemisphere. If it were located instead at a distance of 8 LY, its apparent brightness in our night sky would be?
Social Studies
1 answer:
Bumek [7]2 years ago
4 0

Answer:

It's apparent brightness in our night sky would be 1/4 of its present value.

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Several students have been practicing drawing their models of nucleotides. Whose model do you think is most consistent with the
RSB [31]

The first description of the DNA (deoxyribonucleic acid)chain was done by Watson and Crick in 1953, the nucleotides that constitute the DNA are four: cytosine (C), guanine (G), timine (T) and adenine (A). When doing a model is essential to remember that cytosine ONLY joins guanine and timine only link adenine, this is due to the size and chemical properties of each molecule. Later, another related and similar and molecule was discovered, the ribonucleic acid or RNA, which also is constructed by nucleotides.

In both cases, the nucleotides are compound of 3 main components: a nitrogen base, a pentose and a phosphate. When the molecule lacks the phosphate group, is called nucleoside. Depending on the chain ( DNA or RNA) the nitrogen base derives from purine (adenine and guanine) or pyrimidine (cytosine or timine) just in the RNA instead of timine is uracil (U)

The union is established between adjacent molecules through the phosphate, while among each other through the nitrogen base-remember C=G and T or U=A. The core of each molecule is the pentose. Therefore the best representation of the molecule is attached


References

Watson, J. D., & Crick, F. H. (1953, January). The structure of DNA. In Cold Spring Harbor symposia on quantitative biology (Vol. 18, pp. 123-131). Cold Spring Harbor Laboratory Press.




7 0
3 years ago
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Pwease help i will give you brain thing if its correct ♡
marusya05 [52]

Answer:

true :)

Explanation:

4 0
3 years ago
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Which of the following statements is FALSE?
schepotkina [342]

Answer:

C point false

Explanation:

Americans have only recently begun to accept the natives. In the past they were treated brutally.

8 0
2 years ago
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Greg, Donna, and Paul are on the five-member Benefits Task Force that is researching options for the new benefits package. Over
Nata [24]

Answer:

groupthink                                                                      

Explanation:

Groupthink: In social psychology, the term "groupthink" is described as one of the psychological phenomena that generally occurs within a particular group consisting of different individuals whereby the choice related to the conformity and harmony in the given group leads to create or develop dysfunctional or an irrational "decision-making outcome".

It was first utilized by one of the social psychologists named Irving L. Janis during 1972.

In the question above, the given statement is an example of "groupthink".

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3 years ago
I don't know the answer can someone help me lol
oksano4ka [1.4K]
I believe that is b correct me if I'm wrong
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2 years ago
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