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Serhud [2]
2 years ago
9

As DNA replication continues and the replication bubble expands, the parental double helix is unwound and separated into its two

component strands.
a. True
b. False
Biology
1 answer:
tresset_1 [31]2 years ago
3 0

Answer:

As DNA replication continues and the replication bubble expands, the parental double helix is unwound and separated into its two component strands. This unwinding and separating of the DNA require three different types of proteins: helicase, topoisomerase, and single-strand binding proteins.

Explanation:

3 More Days Till Christmas

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Explanation:

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4 0
2 years ago
1. In pea plants, tall (T) is dominant to dwarf (t). Show the cross
MA_775_DIABLO [31]

Answer:

Tt - 2/4 = 1/2 or 50%            Heterozygous TALL

tt - 2/4 = 1/2 or 50%             Homozygous Dwarf

Explanation:

So let's make a Punnett for this so you can see what the outcome is yourself:

Tall is <u>dominant</u> - T

Dwarf is <u>recessive</u> - t

Heterozygous means that they have one of each allele. The genotype of one parent would be then Tt.

***It is heterozygous tall because Tall is a dominant trait so if it is accompanied by the recessive trait dwarf, then the Tall allele would mask it.

The other parent is a dwarf plant. The genotype would then be tt.

*** Now for a recessive trait to appear, it should not have a dominant trait mixed with it, which could mask it. The result then is homozygous recessive or homozygous Dwarf.

So now that we know the genotypes of the parent plants, we can put it into a Punnet:

    t      t

T  Tt   Tt

t   tt    tt

As you can see, out of the 4 outcomes we have:

Tt - 2/4 = 1/2 or 50%            Heterozygous TALL

tt - 2/4 = 1/2 or 50%             Homozygous Dwarf

5 0
3 years ago
How many pairs of legs do insects have? five four three
-BARSIC- [3]

Answer:

a spider has 4 pairs of legs, since they have 8 legs

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3 years ago
Malignant tumors are classified according to
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Malignant tumors are classified according to the type of cells that give rise to them. 
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The pelvic cavity is a continuation of the:
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The abdominal cavity is the answer you are looking for.

3 0
3 years ago
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