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Anarel [89]
3 years ago
13

What holds the base pairs of dna together

Biology
1 answer:
jeyben [28]3 years ago
6 0
Nucleotides are a base pair and they fit together because their shape allows them to bond. The A-T pair frames two hydrogen bonds. G-C forms 3. As the strands bond they hold the Base Pairs of DNA together
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Why does this recent discovery about the galapagos finches prove that it’s often challenging for scientists to determine when tw
34kurt

Because the species of finches on the Galápagos island have various appearances but still mate with other finches and produce fertile offspring making it is difficult for scientists to distinguish between two groups of individuals as separate species.

<h3>What is the island of Galápagos?</h3>

The Pacific Ocean island of Galápagos is located to the west of Ecuador. It is a volcanic island known for its diverse and endemic types of living things.

<h3>Why is it difficult to find new species in Finches?</h3>

Charles Darwin spent several years studying the many species of finches on the Galápagos island. He saw a great deal of variation in these finches, which supports the hypothesis of natural selection.

However. it is challenging for scientists to discern between two separate species because the species of finches on the Galápagos island have a variety of features that are different but still mate with other finches and produce fertile offspring.

To learn more about evolution visit:

brainly.com/question/19431143

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5 0
1 year ago
Fats and steroids are examples of which macromolecules​
abruzzese [7]

Answer:

Types of biological macromolecules

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Proteins Amino acids Keratin (found in hair and nails), hormones, enzymes, antibodies

Nucleic acids Nucleotides DNA, RNA

Explanation:

6 0
3 years ago
Which of the following is not a negative consequence of upward urban growth?
Marrrta [24]

Answer:

C

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5 0
3 years ago
Read 2 more answers
Explain how heredity can be illustrated mathematically.
shepuryov [24]
By using ratios. You get a punnet square and then get the ratio or even the percentage.
7 0
3 years ago
As a mollusk the animal probably has
andrezito [222]

As a mollusc, the animal probably has a mantle and a radula.

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A mantle is a term that describes the fold in their body which secretes the hard protective shell of their body. A radula is a toothed structure (similar to the tongue) used to collect food.

mark brainliest  :)

6 0
3 years ago
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