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Katena32 [7]
3 years ago
13

Which of the following statements is correct?

Biology
1 answer:
telo118 [61]3 years ago
8 0
The sun is at the center of our solar system but it is not the center of our universe
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A chemical mutagen that is structurally similar to a nucleotide but has different base-pairing rules is called a ________.
OLga [1]

Answer:

Nucleoside analog

Explanation:

  • Nucleoside analogs are the mutagenic chemicals that have a structure that is similar to the normal bases of the nucleotide and thus can be incorporated in the DNA during the process of replication, however as it has different base-pairing rules than the normal nucleotide base it can lead to mutations.
  • An example of a nucleoside analog is acyclovir which an analog of guanosine. 
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3 years ago
Scientists Galilel used the to observe the stars and planets
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Answer:

In 1609, using this early version of the telescope, Galileo became the first person to record observations of the sky made with the help of a telescope. He soon made his first astronomical discovery.

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3 years ago
Is my answer correct?
Andre45 [30]

Answer:

Yes, I think you're correct!

Explanation:

7 0
3 years ago
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At which boundary may a mountain chain of sedimentary rock form?
Pavel [41]

Answer:

A mountain chain of sedimentary rock may form as a result of a convergent boundary of two continental crusts

Explanation:

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3 years ago
A student forms the following hypothesis: If people eat white chocolate, then they will be happier. Describe at least TWO proble
Gnom [1K]
One problem with this hypothesis is that the student didn't write about why this hypothesis might work - what is the underlying mechanism. The thing is that one might want to write the underlying mechanism or explanation in his hypothesis. Another problem with this hypothesis is that it's very hard to measure and be sure that following exposure to white chocolate, people are happier and that it's not a consequence of something else.
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