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kupik [55]
3 years ago
10

What effect did the increased oxygen levels have on Earth?

Biology
1 answer:
Alexxx [7]3 years ago
7 0
I think that the answer is global warming
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in order for a hypothesis to be testable, scientists need to be able to carry out investigations that will either support or dis
IRISSAK [1]

True

Explanation - A hypothesis is given once the question is identified and background research has been done. A hypothesis is validated by performing experiments.

Prior to the experiments being performed, proper planning is done. After the experiment is carried out, the data is noted. Once the data is noted, results are inferred.

If the evidence agrees with the prediction then the hypothesis is being supported and validated. If the result fails to validate the hypothesis then the hypothesis need to be abandoned or modified.

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3 years ago
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T is a trait for tallness in pea plants. the trait for shortness is t. in a case of simple dominance, what is the height of a pl
Elza [17]
The phenotype will show dominance over shortness.. The plant will be tall
the cases:
Tt = tall
TT= tall
tT= tall
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3 years ago
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Why cant animals grow back parts of their body
irga5000 [103]
They don't have the same properties of a star fish
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The products of glycogenolysis are the same as the products of: glycogenesis. lipolysis. gluconeogenesis. glycolysis.
weqwewe [10]

Answer:

D. gluconeogenesis

Please Mark Brainliest If This Helped!

7 0
1 year ago
tructures used in recombinant DNA technology to carry the DNA from the cells of one species to the cells of another species are
Kobotan [32]

The process of fusing two or more DNA molecules to produce a hybrid is known as recombinant DNA. Restrictions endonucleases and ligases are two classes of enzymes that enable the technique.

When a restriction endonuclease detects a particular DNA sequence, it makes cuts inside or near that sequence. The recognition sequence of a restriction enzyme will haphazardly appear on every (1–4)n bases along a random DNA chain. The equation states how many fragments ends (measured in moles) are produced when a restriction enzyme cuts DNA.

Moles of DNA ends =2x(grams of DNA)/(number of bp)(660 g/mol / bp).

The equation describes how many ends are produced when circular DNA is digested by a restriction enzyme.

Mole ends=2x(moles DNA)x number of restriction sites.

The following equation can be used to determine how many ends are produced during the digestion of a linear molecule by a restriction endonuclease.

Mole ends=2x(molesDNA)number of restriction sites +[2x(moles of DNA)].

learn more about DNA brainly.com/question/2131506

#SPJ4

3 0
11 months ago
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