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Tanya [424]
3 years ago
12

[04.01] which best describes the difference between radiation and conduction?

Biology
2 answers:
IRISSAK [1]3 years ago
8 0
Convection is the transfer of energy by movement of a medium, whereas radiation<span> is the transfer of energy by, well, thermal </span>radiation<span>. </span>Conduction<span> also requires a medium, but, again, it is a fundamentally different mechanism than either convection or </span>radiation<span>; in this case it is the transfer of energy through a medium.</span>
Svetradugi [14.3K]3 years ago
7 0
In radiation, we don't need medium to conduct heat or energy but in conduction we need medium to conduct energy or heat ! conduction is done by contact as in radiation there is no contact !

for example or any info, comment !
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3 years ago
The ph of four different solutions are recorded below which solution is more acidic a.pH=3 b.pH=7 c.pH=10 d.pH=14
n200080 [17]
Solution a is the most acidic.

In a pH scale of 1 to 14, the smaller the pH is, the more acidic is. In opposite, the higher the pH is, the more alkaline it is. We call substances with pH below 7 as acid, and above 7 as alkali, while 7 as neutral.

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7 0
3 years ago
What happens right before transcription begins?
Ahat [919]
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A.  I believe this is incorrect because mRNA is involved when the genetic information needs to leave the nucleus.  mRNA would take it to a ribosome outside of a nucleus.  Since transcription happens in the nucleus, mRNA is irrelevant before it starts.

C.  This doesn't really make sense.  mRNA carries information from the DNA, but not vice versa (in these early stages).

D.  This would make the most sense, since RNA polymerase needs to attach to the promoter on the strand before transcription can begin.
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