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sladkih [1.3K]
3 years ago
10

Need help with these!

Biology
2 answers:
olganol [36]3 years ago
5 0

observative   Explanation:

Reika [66]3 years ago
4 0
Answer:

either A or B
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What differs among DNA structures of different species?
weqwewe [10]

Answer:

D) the arrangement of the nucleotides within genes

Explanation:

De-oxy ribo nucleic acid that is basically a polymer of nucleotides. Nucleotides are composed of three basic units: a de-oxyribose sugar unit, a phosphate group and nitrogenous bases that can be Adenine, Gunanine, Thymine and Cytosine.Adenine always pairs with Thymine and Guanine always pairs with Cytosine.

This is a universal composition of DNA in each and every living organism. The genes are a segment of DNA that contain specific sequence of nucleotides and encode for a specific trait of organism such as height, weight, eye color etc. The sequence of nucleotides expresses the trait in the form of protein product during the process of Translation. The products of translation are amino acids and every amino acids encode for a specific protein  in almost  all living organisms.

So, what differs in the specie is the sequence of nucleotides in genes. Infact this is the nucleotide sequence which brings evolution in organism and organisms evolve to form new specie with the passage of time. One major cause of change in nucleotide sequence is mutations due to which the organisms change with time.

Suppose the sequence of nucleotide of specific gene in organism A is

AAGGGGAAATTT

However in other specie organism B of same specie is:

TAGGGGAAATTT

This means only mutation of one base changed the gene in organism B and also its product called protein.

Hope it help!

8 0
3 years ago
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Question 31 of 34
lions [1.4K]

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A I think I might be wrong but hopefully its right

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2 years ago
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I hope this helps you!! :)

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3 years ago
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Evolution is derived by the genetic variation of a population that is produced by either __________________, ___________________
chubhunter [2.5K]

It can be caused by mutation, random mating, random fertilization, and recombination.

Hope this helps :)

4 0
3 years ago
When a gas is dissolved in a liquid, the gas dissolves faster if the liquid is?
Ahat [919]
The gas dissolves faster if the liquids temperature is increased.
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3 years ago
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