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Slav-nsk [51]
4 years ago
8

which enzyme is responsible for “unzipping" the DNA by breaking the hydrogen bonds between the nucleotides?

Biology
1 answer:
leonid [27]4 years ago
3 0
The answer is: helicase
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An episodic narrative, it is only connected by time and place of unrelated characters as well as it also tell us that life can be tell us a meaningful story. The narrative point of view gives a sense of feeling in the storytelling. A series of interconnected scenes.
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What is the earth?<br> What is the atomosphere
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Answer:

Earth's atmosphere is a layer of gases surrounding the planet Earth and retained by the Earth's gravity.

Explanation:

It contains roughly 78% nitrogen and 21% oxygen 0.97% argon and carbon dioxide 0.04% trace amounts of other gases, and water vapor. This mixture of gases is commonly known as air.

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Part A - Independent assortment of three genes A wild-type tomato plant (Plant 1) is homozygous dominant for three traits: solid
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<h2>Law of independent assortment </h2>

Explanation:

  • There are 8 distinct phenotypes, each one has a 12,5% of appearance: Since M=solid leaves D=normal height P= smooth skin.
  • Recessive gene characters can only be taken in homozygous recessive mmddpp.  

      1. MmDdPp: M=solid leaves D=normal height P= smooth skin.

     2. MmDdpp M=solid leaves D=normal height pp= peach skin.

    3. MmddPp M=solid leaves dd=dwarf height P= smooth skin.  

    4. Mmddpp M=solid leaves dd=dwarf height pp= peach skin.

    5. mmDdPp mm=mottled leaves D=normal height P= smooth skin.  

    6. mmDdpp mm=mottled leaves D=normal height pp= peach skin.  

    7. mmddPp mm=mottled leaves dd=dwarf height P= smooth skin.  

   8. mmddpp mm=mottled leaves dd=dwarf height pp= peach skin.

Hence,The answer is all eight possible phenotypes from the cross MmDdPp x mmddpp are equally likely, resulting in a phenotypic ratio of 1:1:1:1:1:1:1:1

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4 years ago
Which mitotically inactive portion of the root tip acts as a reserve of healthy cells in case the apical meristem becomes damage
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The quiescent center is the mitotically inactive portion of the root tip that acts as a reserve of healthy cells in case the apical meristem becomes damaged.

Quiescent center cells exhibit high resistance to ionizing radiation, especially when compared to surrounding initial cells, leading to the hypothesis that the quiescent center functions as a stem cell reservoir, ensuring the rejuvenation and perseverance of the root apical meristem.

The root quiescent center is a pool of rarely dividing stem cells inside the root apical meristem. The Quiescent center maintains the environment more regularly by dividing initials, forming the root apical meristem cell niche.

To learn more about the quiescent center: brainly.com/question/411841

#SPJ4

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