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Vsevolod [243]
2 years ago
5

You place different colored liquids in a hummingbird feeder and count how many hummingbirds visit.

Biology
1 answer:
KonstantinChe [14]2 years ago
4 0

Answer:

the different colored liquids would've the manipulated while the amount of hummingbirds that visit is the responding variable.

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How could you determine what percentage of a strawberry's mass is dna?
katrin [286]
First  you  determine  the   total mass  of  the   strawberries used
Then  determine  the    mass  of  the   DNA  obtained  from  the  strawberries
percentage  mass  is  therefore  equal  to  mass  of  the  DNA  obtained  divided  by  total  mass  strawberries  multipy  by   a  100


5 0
2 years ago
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Prader-Willi syndrome is a genetic disorder involving a partial deletion of chromosome 15q on the paternal chromosome. When both
Kay [80]

Answer:

genomic imprinting

Explanation:

Genomic imprinting is a mechanism for regulating gene expression that allows expression of only one of the parental alleles, although both alleles are functional. Unlike most genes in which expression is biallelic, genes that are subjected to this mechanism (imprinted genes) have monoalelic expression; By definition, in an imprinted loci, only one allele is active (maternal or paternal), and the inactive is epigenetically marked by histonic modification and / or methylation of cytosines.

Genomic imprinting can cause some disturbances, among them Prader-Willi syndrome, which is a genetic disorder that involves a partial deletion of chromosome 15q on the paternal chromosome.

3 0
3 years ago
What molecule that is created during photosynthesis provides energy for cellular processes?
Tanya [424]

Answer: D) glucose

Explanation: 100% sure this is the correct answer.( Also took the quiz and got it right.)

8 0
3 years ago
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Which Organism Was Most Likely To Live At The Same Time As Branchiopods?
Alexxandr [17]

Your question: Which organism was most likely to live at the same time as brachiopods..?


Your answer: The organism that is most likely to live at the same time as brachiopods is Trilobites.


Hope this helps! :)

6 0
3 years ago
Rocks in continental crust are as old as blank years
timofeeve [1]

Answer: Option (C)

Explanation: The rocks at the continental crust are present since a long time, and the oldest rocks so far encountered from the continental crust is approximately 4.4 billion years old.

          This has been determined by the Uranium-Lead dating method (Ur₂₃₈-Pb₂₀₆).

Oceanic rocks are estimated to be of very recent age i.e about only 180 million years old.

3 0
3 years ago
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