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Gnoma [55]
2 years ago
15

PLEASE HELP ASAP

Biology
2 answers:
Lostsunrise [7]2 years ago
7 0

Answer:

the answer is an operon

Explanation:

Operons occur primarily in prokaryotes but also in some eukaryotes, including nematodes such as C.elegans and the fruit fly, drosophila melanogaster. rRNA genes often exist in operons that have been found in a range of eukaryotes including chordates.

s2008m [1.1K]2 years ago
5 0

Answer:

a regulatory gene

Explanation:

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Goshia [24]

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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:

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3 0
1 year ago
What percentage of species do scientists predict we will drive to extinction by the year 2100?
Dovator [93]

Answer: 50%

<span>Life on Earth appears to be on its way to extinction because of the carbon being pumped into our atmosphere.</span>

<span>Biologists reported that one in five species on Earth show signs of extinction, and unless urgent action is taken to save the planet’s biosphere, </span><span>scientists predict that  50% of species will be driven to </span>extinction by the year 2100.

<span>.</span>

7 0
3 years ago
Crime-scene investigators collected hair from a dead person's body. is the hair human or nonhuman? describe two ways that the in
Nana76 [90]
The investigators could distinguish human hair from animal hair by the patter of pigmentation and by the medullary index.
The pigmentation in human hairs is denser toward the cuticle, whereas in animal hair is denser toward the medulla. Human hairs are usually one colour throughout the whole length, while animal hairs may change colour suddenly.
The medulla in humans is thinner than in animals: the medullary index for human hairs is 0.33 or less; the medullary index for animal hairs is 0.5 or more.
6 0
3 years ago
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