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lys-0071 [83]
3 years ago
8

Northern coniferous forests, characterized by long, cold winters and conifers with short needles, are the largest terrestrial bi

ome. true or false?
a. True
b. False
Biology
1 answer:
Nonamiya [84]3 years ago
6 0
I think it is true for show
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In a sample of double-stranded DNA, 10 percent of the nitrogenous bases are guanine (G). What percentage of the nitrogenous base
DanielleElmas [232]

Answer:

40%

Explanation:

Remember that guanine always pairs with cytosine, and thymine always pairs with adenine. That means that any time there is a guanine, there is always a cytosine.

If there are 10% guanines, then there are 10% cytosines. That means the total of guanines and cytosines is 20%.

The other 2 bases (thymine and adenine) have to make up the rest of the bases. That means they have to make up 100-20 = 80%.

Again, there will be equal amounts of thymine and adenine, so 80%/2 = 40%.

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3 years ago
What is climate?<br> How does climate change affect ecosystems?
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Answer:

climate is weather and it affects ecosystem development

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Select the correct answer from each drop down menu researcher was studying mutations in bateria.he found that certain bateria ha
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A researcher was studying mutations in bacteria. He found that certain bacteria had changes in their DNA that allowed them to be resistant to antibiotics. This research is an example of <u>evolutionary genetics.</u> The mutation will lead to <u>all the bacteria becoming resistant to the antibiotic.</u><u> </u>

Genetic evolution :

Evolutionary genetics examines the relationship between genetic variation and evolutionary change. As a result of the recent expansion in the availability of whole genome sequence data, large amounts of genetic data are being produced at an increasing rate, making programming an indispensable tool for researchers.

The spread of antibiotic resistance among pathogenic bacteria is a straightforward and elegant example of adaptation through natural selection. Through mutations that alter the biological targets of antibiotics or by obtaining resistance genes from other bacteria, microorganisms can develop resistance to antibiotics.

Learn more about evolution here :

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6 0
2 years ago
A polymer is...
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Answer:

a polymer is a large unit comprised of monomer

6 0
3 years ago
Read 2 more answers
14. Within a single use of the scientific method, which of the following steps can only be performed after data is collected? A.
nydimaria [60]
The answer is D. <span>Conclusions are drawn. 
This is the only choice that can be done after data gathering, formulation, and analysis.


Other choices are in correct

</span><span>A. Controls and variables are chosen.  (Identified before an experiment)
B. The initial experiment is designed. (Has been planned before an experiment is done.)
C. The initial hypothesis is formed. (Before the experiment a hypothesis is already drawn.</span>
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3 years ago
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