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Gnom [1K]
3 years ago
9

A single strand of DNA helix consists of 100 nitrogenous base pairs. On one strand, 36 of the bases are adenine and 24 are cytos

ine. For the complimentary strand of DNA, which would complete the proper base pairing?
Biology
1 answer:
motikmotik3 years ago
4 0
The amount of Adenine always equals the amount of Thymine, and The amount of Cytosine always equals the amount of Guanine. (Chargaff's Rule)

So, Adenine is 36, therefore Thymine is 36.
Cytosine is 24, therefore Guanine is 24

That should add up to 100 base pairs if you add all 4 types together.
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Which is a homologous chromosome pair?
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Answer: Homologous chromosomes are the pairs of chromosomes that having same gene sequence, equal length of arms and centromere location. Homologous chromosomes have two homolog one come from male parent and other come from female parent.

Explanation:

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8 0
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You hang a swing from a live tree branch that is roughly parallel to the ground. What will likely happen over time as the tree g
Bingel [31]

Complete question:

You hang a swing from a live tree branch that is roughly parallel to the ground. What will likely happen over time as the tree grows? Check All That Apply

  1. The swing will move farther away from the tree trunk.
  2. The swing will move up. away from the ground.
  3. The swing will remain in its original position.
  4. The swing's ropes will become embedded in the branch.

Answer:

The swing's ropes will become embedded in the branch.

Explanation:

The trunk or branch strangulation sadly occurs very often. When people tie a young tree with different materials, such as a rope, or a cable, or a wire, and leave it there, the leash will eventually strangulate the tree.

Strangulation occurs because the tree keeps growing, applying pressure on the leash. The vascular system is in the trunk perimeter under the crust. Through the years, the pressure increases, the trunk is even more strangulated, and the vascular system is affected. One of the first and principal effects of strangulation is the increase in the trunk or branch diameter over the leash. This diameter change is because elements of the sap can not go back to the roots and keep near the strangulation. At this point, there are two options:

  • The tree can sort this by including the leash in its tissues, surrounding and absorbing it, and keep growing normally

or

  • The vascular system is so affected that the tree can not sort this problem and so, those parts of the tree located over the leash dye.

<em>In the exposed example, it seems that the tree could make it and included the swing's ropes in the branch. </em>

6 0
2 years ago
Grade 8 ( Geology )
Karolina [17]
<h3>I think it's answer (c) I hope you are satisfied with my answer </h3>
8 0
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amm1812

Answer:

C

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The crayfish is a relatively large specimen, even the mouthparts. Since you are dissecting the mouthparts, you need a 3D view: you should use the dissecting microscope.

4 0
3 years ago
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