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irakobra [83]
3 years ago
12

Evidence for the theory that an atom is mostly empty space was supported by research of which of these scientists

Biology
1 answer:
Dmitry_Shevchenko [17]3 years ago
8 0
<span>energy change occurring in the atom?

</span>
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Tall height is dominant to short height in pea plants. You have a tall pea plant that you cross with a short pea plant. What is
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Answer:

The tall parent was heterozygous

Explanation:

If tall height is dominant to short height the only genotype possible for short height is hh, while there are two possible genotypes for tall height, Hh and HH. When HH is crossed with hh all the offspring are Hh, but if Hh is crossed with hh, a quarter of the offspring is HH, a quarter is hh and half is Hh. If the tall pea plants were HH there would only be tall offspring, but because there are some short offspring we know that the tall pea plants must have a genotype of Hh.  

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Most restriction enzymes recognize sequences of 20-25 bp in length

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Sequences of DNA that are recognized by restriction enzymes are called recognition (or restriction) sites are usually are between 4 and 8 bases long. Many of them are palindromic, which means that they are the same when you read it backwards and forwards (mirror-like).

Restriction enzymes are endonucleases, which means they cut phosphodiiester bonds within DNA. These enzymes are from prokaryotic organisms (archea and bacteria) which use them as defending mechanism against viruses. Prokaryotes protect their own DNA via methylation, performed by methyltransferase.

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