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RSB [31]
2 years ago
14

1. A single-celled organism that lacks a membrane-bound nucleus,

Biology
1 answer:
earnstyle [38]2 years ago
3 0

Answer:

The answer is (A). Prokaryote

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Match each light behavior with its definition.
aalyn [17]

1-refraction

2-transmission

3-reflection

4-diffraction

<u>Explanation:</u>

Refraction is the bending of a wave when it enters a medium where its speed is different.Refraction is responsible for image formation by lenses and the eye.

Transmission of light is the moving of electromagnetic waves through a material. This transmission can be reduced, or stopped, when light is reflected off the surface or absorbed by the molecules in the material.

Reflection is when light bounces off an object.Light is reflected when there is a mismatch between materials through which the light is travelling.

Diffraction is the slight bending of light. The amount of bending depends on the relative size of the wavelength of light to the size of the opening.

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What role does natural variation play in the process of natural selection and, ultimately evolution?
xenn [34]
Natural variation provided the phenotypes that natural selection then acted on, over time causing evolution
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3 years ago
the fossil record indicates that several times in the past, huge numbers of species have disappeared suddenly in phenomenon know
Vilka [71]
The answer is mass extinction
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3 years ago
What information did gregor mendel know before he started his experiments?
mario62 [17]

Answer:

Mendel was a mathematician and a physicist. He was tutored by Christian Doppler known for his work "Doppler effect of wave frequency".

Mendel learned botany under Franz Unger.

Both knowledge of science and math helped him notice some patterns, traits and qualities in the gardens he had.

With that idea, he was able to see the chances or portability of developing such traits and how to prove it.

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3 years ago
How is genetic engineering useful to human
nevsk [136]

Answer:

As well as producing hormones, vaccines and other drugs genetic engineering has the potential to cure genetic diseases through gene therapy. The same techniques that are used to produce drugs can also have industrial applications such as producing enzymes for laundry detergent, cheeses and other products.

Explanation:

5 0
2 years ago
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