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Digiron [165]
3 years ago
5

What are nickels made of

Biology
2 answers:
amid [387]3 years ago
6 0

Answer:

made from an alloy of .750 copper and .250 nickel. So copper and nickel

Alex777 [14]3 years ago
4 0

Answer:

A nickel is a five-cent coin struck by the United States Mint. Composed of 75% copper and 25% nickel

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A translocation that moves a gene from an area of euchromatin to heterochromatin would typically cause a(n) ________ in the expr
Advocard [28]

A translocation that moves a gene from an area of euchromatin to heterochromatin would typically cause a(n) reduction in the expression of the gene.

<h3>What is euchromatin?</h3>
  • A kind of chromatin that is sparsely packed, enriched in genes, and frequently engaged in transcription is called euchromatin.
  • Contrasting with heterochromatin, which is compact and less accessible for transcription, is euchromatin.
  • The human genome has 92% euchromatic DNA.
<h3>What is heterochromatin?</h3>
  • Heterochromatin, often known as condensed DNA or densely packed DNA, has many different types.
  • Between constitutive heterochromatin and facultative heterochromatin, these variations fall on a spectrum. Both contribute to how genes are expressed.
  • Eukaryotic genomes contain heterochromatin, which serves a variety of purposes including regulating gene expression and preventing DNA replication and repair.

Learn more about euchromatin here:

brainly.com/question/12318627

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3 0
1 year ago
You come across caribou maternity pens while hiking. Which of the following do you see in them?
shtirl [24]

Answer:

a.

Explanation:

caribou maternity pens are enclosed areas created to care for pregnant female caribou and their offspring. As well as allowing the mothers to take care of their offspring in a safe and nurturing condition. Therefore the hikers passing by the pens most likely would see Pregnant females and young caribou within the pens.

8 0
3 years ago
In tall plants, (T) is dominant to small (t). If two plants heterozygous for tall fruit are crossed, what are the
denis-greek [22]

Answer:

possible genotypes of offsprings are A.

TT Tt and tt

5 0
3 years ago
Read 2 more answers
Somatic cells in humans differs from gametes in that human somatic cells __________.
Jobisdone [24]

Answer:

contain two sets of each of the 23 chromosome types

4 0
1 year ago
Over 1 million species of animals have been named and described by biologists. These species arose __________. View Available Hi
yuradex [85]

Answer:

through years of evolution as natural selection shaped animal adaptations to Earth's environments.

Explanation:

Over the years, biologists have been able to successfully name more than one (1) million animal species across the world. These species arose through years of evolution as natural selection shaped animal adaptations to Earth's environments.

Natural selection can be defined as a biological process in which species of living organisms having certain traits that enable them to adapt to environmental factors such as predators, competition for food, climate change, sex mates, etc., tend to survive and reproduce, as well as passing on their genes to subsequent generations.

Simply stated, natural selection entails the survival of the fittest. Therefore, the species that are able to adapt to the environment will increase in number while the ones who can't adapt will die and go into extinction.

6 0
2 years ago
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