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Zepler [3.9K]
3 years ago
10

Coal is considered a nonrenewable resource.A) TRUEB) FALSE

Biology
1 answer:
notka56 [123]3 years ago
5 0

Answer:

true

Explanation:

Coal is a non-renewable energy source because it takes millions of years to form.

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What cell feature is used by scientists to classify an unknown cell as prokaryotic or eukaryotic?
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Answer:

Like a prokaryotic cell, a eukaryotic cell has a plasma membrane, cytoplasm, and ribosomes, but a eukaryotic cell is typically larger than a prokaryotic cell, has a true nucleus (meaning its DNA is surrounded by a membrane), and has other membrane-bound organelles that allow for compartmentalization of functions.

Explanation:

Hope this helps ;)

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Which of the following describes the effort arm?
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Answer:

1

Explanation:  

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If element x has 73 protons, how many electrons does it have?
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If the element has not become an ion yet, then there is 73 electrons.
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**only when the element has not form an anion or cation.
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3 years ago
How many nuclei are in a cell
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The PCR primer ‘D7S820’ is used to amplify the D7S820 locus. Using this gel below, determine whether each person (M1, P1, P2, C1
Ahat [919]

Answer:

1) M1 is heterozygous since it contains 2 bands, which means that it contains one recessive and one dominant allele

P1 is homozygous for this locus, since it contains a single band or is known to be homozygous for the locus or gene.

P2 is hetozygous for this locus because two bands appear in which each band represents one allele for the gene.

ChildC contains two gel bands, representing two alleles and is therefore heterozygous

P1 is the father of the child C1, if we look at the gel, each father shows a similar band, one coinciding with the mother and the second with the father p1

As for the paternity study, the PCR test is not useful, since it provides asymmetric results, thus only one strand information will be provided, and because the DNA is double-stranded, a more complete study is required.:

3 0
3 years ago
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