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patriot [66]
4 years ago
7

What molecules break the rungs (bases) apart?

Biology
1 answer:
iogann1982 [59]4 years ago
8 0
<span>Enzymes, special kinds of proteins, move up the DNA, breaking the rungs</span>
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WILL GIVE A BRAINLEST
Sedaia [141]
Hey there!

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8 0
3 years ago
Everyone in Smurfette’s family has light blue skin, which is the dominant trait for body color in her hometown of Smurf Valley.
Dmitry_Shevchenko [17]

Answer:

All their descendants will be heterozygous for the skin color, Bb, expressing blue skin.

Explanation:

<u>Available data</u>:

  • Smurfette has light blue skin
  • Her family is a "true bred" or "purebred" line.
  • She married a boy who has light yellow skin
  • blue skin is the dominant trait expressed by the B allele
  • yellow skin is a recessive trait, expressed by the b allele

Cross: Smurfette  x  Husband

Parentals)            BB     x     bb

Gametes)          B   B       b     b

Phenotypes) blue skin     yellow skin

Punnett square)

                       B        B

             b      Bb      Bb

             b      Bb      Bb

F1) 100% of the progeny will be heterozygous for the skin color, Bb

     100% of the progeny will be blue-skinned.

Note: Although the progeny is blue-skinned, they are not true-bred anymore.

7 0
3 years ago
What is the difference between the skull of a dog and a skull of a rabbit​
MaRussiya [10]

Answer:

You must therefore be aware that the skull of craniate (with skull) vertebrates consists of different parts which enclose the brain, cranial nerves and other sense organs present in the head. The part of the skull, enclosing the brain is called the cranium and is composed of several bones.

6 0
4 years ago
________ marks the end of a gene and causes transcription to stop. ________ marks the end of a gene and causes transcription to
Paha777 [63]

The answer is a terminator or transcription terminator. It is part of nucleic acid sequence that marks the end of a gene in DNA during transcription. This progression intercedes transcriptional termination by giving signals in the newly synthesized mRNA that activate processes which release the mRNA from the transcriptional complex. These processes comprise the direct interaction of the mRNA secondary structure with the complex and the meandering activities of recruited termination factors<span>. </span>

6 0
4 years ago
Is a wrong?..........​
inysia [295]

Answer:

no it is correct I think hops it helps a lot;))))

3 0
3 years ago
Read 2 more answers
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