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natali 33 [55]
2 years ago
9

How does the pairing of the nitrogen bases in a DNA molecule make sure that a replicated strand is exactly the same as the origi

nal strand?
Biology
1 answer:
katrin2010 [14]2 years ago
6 0

<span>What ensures that DNA molecule is replicated exactly as its original strand is with the ability of the DNA to make way and let the base pairs match with each base. This enables them to form the same strands so that it is identical and not different with the original strand.</span>

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explain how blood flow in the skin helps to maintain a constant body temperature in very hot conditions.
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The skin immense blood supply helps regulate temperature

Explanation:

The skin immense blood supply helps regulate temperature

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100 POINTS QUESTION!! NEED HELP!
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Answer and Explanation:

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C

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Why do cells divide instead of just grow larger?
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Answer:  As we all grow, why don’t the cells just get bigger instead of getting more of them? Cells are limited in size because the outside (the cell membrane) must transport the food and oxygen to the parts inside.

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3 years ago
Tallness ( T) is dominant to dwarfness (t), while red (R) flower color is dominant to white (r). The heterozygous condition resu
Tju [1.3M]

Answer:

All the offspring have genotype RrTt

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Given

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Red (R) flower color is dominant to white (r)

It is given that heterozygous condition results in pink (Rr) flower color which means that the allels for color of flower show co dominance

Genotype of dwarf red snapdragon is RRtt

Genotype of a plant homozygous for tallness and white flowers is rrTT

The punnet square representing the cross between RRtt and rrTT is as given below-

Rt     Rt         Rt     Rt

rT RrTt      RrTt RrTt    RrTt

rT RrTt      RrTt RrTt    RrTt

rT RrTt      RrTt RrTt    RrTt

rT RrTt      RrTt RrTt    RrTt  

Thus all the offspring have genotype RrTt

Phenotype is Pink and tall snapdragon

5 0
3 years ago
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