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ella [17]
4 years ago
11

What does the presence of homologous structures in different organisms suggest?

Biology
2 answers:
Georgia [21]4 years ago
8 0

The answer is “common ancestry”

andre [41]4 years ago
3 0

Answer:

The correct answer is option 2. Common ancestry.

Explanation:

The homologous structure is the structure that has a similar anatomical structure or underlying skeleton and can perform a different function in different organisms.

Homologous structures are similar in different organisms because they diverge from a common ancestor. All organisms that have homologous structures are considered to have a common ancestry. for example, human arm, dogs forearm, bat's wing all have a similar skeleton structure  

Thus, the correct answer is option 2. Common ancestry.

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Why are fossil fuels considered nonrenewable resources if they are still forming beneath the surface today?
ella [17]
The answers B we're using them faster than they can form 
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3 years ago
The theory of evolution states: Question 5 options: better adapted organism reproduce at a higher rate organisms change by acqui
Nastasia [14]

Answer:

The theory of evolution was proposed by Charles Darwin and was first formulated in his book, "Origin of Species" in 1859. It focuses on the changes in species and populations over time

7 0
3 years ago
Help me with this question plsssss answer this in a complete paragraph
sweet-ann [11.9K]

Answer:

It's possible.

Explanation:

It said if they were nearly as smart as humans. They never said if they were as capable as Humans. Naturally, some would be smarter than others so some might be able to live here but others might have to have their own country. So, it is likely that some Neanderthals will be able to live in modern society, though not all.

3 0
2 years ago
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Anettt [7]

Answer:

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6 0
3 years ago
What are the common promoter elements found in eukaryotic genes, and how are they different from enhancer elements?
V125BC [204]

Answer:

In eukaryotic cells you find core and proximal promoters.

Promotors are specific DNA sequences where transcription factors (proteins) and RNA polymerase binds to initiate transcription. Promotors are located upstream the coding sequence

Core promoters are where RNA polymersae binds and proximal promoters are where transcription factors bind.

Enhancer elements are DNA sequences where transcription factors (proteins) bind to increase the rate of expresion of an specific gene. Enhancers can be located either upstream,  downstream or thousands of nucleotids away  from the of the coding region.

Explanation:

Promoters and enhancer are key elements for controling gene regulation. Transcription begins when chromatin rearranges from a condensed state to a accesible state, this allow to transcrition factors and RNA polymerase to  bind specif DNA sequences (promotors).  Proteins bind to enhancers , this complex develops a DNA loop, so that the protein that is bound to the enhancer interacts with the RNA polymersase. When this interaction is made, the activity of the RNA polymerase is increased.

7 0
3 years ago
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