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sp2606 [1]
4 years ago
14

What is double and helical about the double helix?

Biology
1 answer:
Alex_Xolod [135]4 years ago
8 0

In molecular biology, the term double helix refers to the structure formed by double-stranded molecules of nucleic acids such as DNA. The double helical structure of a nucleic acid complex arises as a consequence of its secondary structure, and is a fundamental component in determining its tertiary structure. 

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How do transitional fossils help explain the evolutionary steps that took place to produce modem organisms?​
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Answer:

Transitional fossils show how a particular taxa accumulated adaptations to fit particular environment​s and/or ecological niches

Explanation:

Transitional fossils are fossilized remains of taxonomic groups/species that illustrate an evolutionary transition between a known version of a taxa/species and the current taxa/species. Transitional fossils are fundamental because they can be clearly differentiated from the ancestral group as well as of its derived descendant group. For example, there exist transitional fossils known as "mammal-like reptiles"(i.e., therapsids that gave rise to the true mammals), which are clearly different from current mammals.

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Can someone please help me finish this T-T
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Chromosome number variation Loss-of-function allele Physiological trait Discovery-based science Genetic cross A. Human Genome Pr
Diano4ka-milaya [45]

Answer:

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Explanation:

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A genetic cross is made between model organisms to test for the offsprings that would be produced from a cross. Hence, genetic cross and model organism math with each other.

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