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eimsori [14]
3 years ago
7

What is red shift? How does it affect earth and our solar system?

Biology
1 answer:
Sauron [17]3 years ago
7 0
Redshift happens when light or other electromagnetic radiation from an object is increased in wavelength, or shifted to the red end of the spectrum
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·caused by a virus ·Edward Jenner developed a vaccine ·considered to be a biological weapon ·declared disease eradicated in 1980
stiv31 [10]
The correct answer choice is D, smallpox.
6 0
3 years ago
Read 2 more answers
Which solution is most hypertonic?
pochemuha

Answer:

These are some examples of hypertonic solutions: D10W (dextrose 10% in water), D5NS (dextrose 5% in . 9% sodium chloride), D5 12 NS (dextrose 5% in . 45% sodium chloride), and D5LR (dextrose 5% in lactated ringer).

6 0
2 years ago
The purple spots on colorless background of corn kernels observed by barbara mcclintock were the result of _______.
vitfil [10]

The purple spots on the colorless background of corn kernels observed by Barbara McClintock were the result of the transposition of the Ds elements out of the color gene.

<h3>What are the genetic elements found in corn?</h3>
  • A transposable element is removed from one spot in the DNA and inserted into a different site in the DNA during the process of genetic transposition, which allows genes to shift their location on chromosomes.
  • The first recognized genetic instability was caused by genetic transposition.
  • The size of the tissue patch displaying the reversion phenotype increases as a reversion event happens earlier in the kernel development.
  • Barbara McClintock saw purple dots on maize kernels with an otherwise colorless background.
  • These spots were caused by the Ds components of the color gene being transposed.
  • The wild-type (purple) phenotype manifests itself in cells where Ds from the color gene "C" sequence has been lost.

Hence, Barbara McClintock discovered purple patches on the colorless backdrop of maize kernels due to the transposition of the Ds elements out of the color gene.

To learn more about Transposition refer to:

brainly.com/question/13447171

#SPJ4

8 0
1 year ago
How would cactuses in their ecosystem change through the everyday act of living?
Reil [10]

Answer:

They may change due to environmental changes. for example, if a cactus suddenly experiences a drought, it may change to become better at holding water than before. if it suddenly experiences large amounts of rainfall, it may change to release more water, etc.

8 0
3 years ago
The type of reproduction by which plants produce offspring from vegetative part is called
Helen [10]
I think that's asexual reproduction.
8 0
3 years ago
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