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Step2247 [10]
4 years ago
13

Lanes of young stars gas and dust that wind outward from the central region of spiral galaxies can be identified as

Biology
2 answers:
gogolik [260]4 years ago
6 0

The answer is Spiral Arms

leonid [27]4 years ago
3 0

Answer:

Spiral arm

Explanation:

Spiral galaxies are huge collections of billions of stars, most of which are flattened into a disk shape, with a spherical, glowing star bulge at its center. Inside the disc, there are typically shiny arms where younger, shinier stars, gas and dust are found. These arms move away from the center in a spiral pattern, giving the galaxies this name. Spiral galaxies look a bit like holes, or like water running down a drain. They are some of the most beautiful objects in the sky.

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The human genome project has allowed for great progress in identifying genetic markers for disease. Which of the following would
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The most straightforward answer is D - using an individual's genetic information to decide who can be covered for health insurance. 

This is unethical because people have no say over which genes they were born with. Furthermore, applying this logic would mean that we are proponents of genetic determinism. While genes have an impact, a person can still choose to apply different protocols in his life that help him combat his chances for certain diseases. 

It could be also considered unethical if people themselves would be provided guidance based on the genetic information collected, without any proper medical consultation beforehand.
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4 years ago
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Explain how human embryonic stem cells, adult stem cells, and skin cells taken from the same person would be the same and how th
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3 years ago
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After a copper smelter begins operation, local populations of plants downwind of the plant begin to adapt to the resulting air p
Katen [24]

Answer:

e) directional selection

Explanation:

Directional Selection:

  • The type of natural selection that favors one of the extremes of the phenotype spectrum, shifting the allele frequency to one direction
  • This type of selection selects against intermediate and one of the extreme phenotypes.
  • In this particular case, the increasing pollution has pushed the plants to evolve better acid tolerance.
  • This indicates that if the environmental conditions worsen, only the acid tolerant plants will be able to survive.

* Another example is illustrated in the image. The graph shows the shifts in allele frequency.

7 0
3 years ago
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I don’t understand this can someone please help me fast, this is due soon pleaseee.
Mekhanik [1.2K]

Answer:

The correct answer is - 30.25%

Explanation:

Allele frequency in a population is the number of a particular allele in the population divided by the total number of all alleles present in the population for the particular gene.

The population has the allele frequency or q = 0 .55

So, the percentage of the white spots moth in this moth population would be -

q^2 = (0.55)^2

q^2 = 0.3025

q^2 = 0.0325 *100

= 30.25 %

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3 years ago
Is a highly addictive stimulant with dental damage as a telltale sign of its use; it causes users to experience serious side eff
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Your answer is meth. ☆
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4 years ago
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