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spin [16.1K]
3 years ago
9

It is so important in our everyday lives to be able to evaluate if a claim is truly scientifically reliable or not. Often, adver

tisements will claim to have “proven results”. Can you evaluate if this is a reliable claim or not?
Give an example of 3 questions you can ask yourself to determine if a claim is scientifically reliable or not:

1
2
3
Biology
1 answer:
Aloiza [94]3 years ago
4 0
What is their source? 
- they could be a part of a marketing scam 
- the key question is: how do they know? 
- <span> Who produced it and what background do they have?
- what other studies could the group have produced?</span>

Is the main point of the claim proven by evidence? 
- In order to figure out if something is reliable or not, you have to ask whether it makes sense and whether the conclusions were proven
- do the conclusions follow logically from what has been cited, or are they being drawn from evidence that doesn't support them at all? 

Do the sources have a bias? 
- That<span> doesn’t necessarily mean what they have to say isn’t reliable
- But think about whether they are a witness to facts or are just describing their opinion
</span>
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Correct answer:
"<span>B- homologous chromosomes join together to form tetrads during prophase I"

</span>It is during prophase I that homologous chromosomes join together (<span>synapsis)</span> and form tetrads - four chromatids are together in the new structure of two chromosomes - and this is the reason why crossing-over occurs in this phase. It is in this tetrad that both arms of both chromosomes may crossover and matching regions exchange places. This process results in homologous chromosomes recombination leading to genetic variability. 
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Describe what happens during translation
masha68 [24]

What happens is that the RNA<span> is synthesized from the template and RNA polymerase moves along the DNA, elongating the RNA transcript molecule; an enzyme forms the hydrogen bonds between the bases of the DNA strand and the complementary bases of the RNA molecule found in the nucleus.</span>

<span>Hope this helped !!</span>

5 0
3 years ago
What evidence does the dische test provide that helps confirm that dna was extracted from the strawberries. Why do you think it
vfiekz [6]

Ripe strawberries are an excellent source for extracting DNA because they are easy to pulverize and contain enzymes called pectinases and cellulases that help to break down cell walls. And most important, strawberries have eight copies of each chromosome (they are octoploid), so there is a lot of DNA to isolate.

What does DNA extracted from a strawberry look like?

Observe the line between the strawberry mixture and the alcohol. You will notice a white thread-like cloud appearing at this line. This is strawberry DNA. The DNA will clump together and float to the top of the alcohol layer.

What is unique about strawberry DNA?

Strawberries yield more DNA than any other fruit because they have eight copies of each type of chromosome. The long, thick fibers of DNA store the information for the functioning of the chemistry of life. DNA is present in every cell of plants and animals.

We intention extract DNA from fruit to investigate how it examines and feels. This procedure is identical to what scientists have to do before they can use the statement contained in this DNA. This announcement can be used to enhance crops so that they are more resistant to infection, insect invasion, or differences in climate.

Learn more about DNA :

brainly.com/question/21992450

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Summary for mutations
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Answer:

A mistaken change in DNA sequencing or coding that could be harmful, not noticed or beneficial

Hope this helps!

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