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2 years ago

What is the difference between a red shift and a blue shift has to do with wavelength frequency.

2 answers:

7 0

When an object moves away from us, the light is shifted to the red end of the spectrum, as its wavelengths get longer.

If an object moves closer, the light moves to the blue end of the spectrum, as its wavelengths get shorter
Hope that helps have a wonderful day !

saw5 [17]2 years ago

7 0

Explanation:

The frequency and the wavelength of the wave have an inverse relationship.

The difference between a red shift and a blue shift is as follows;

Red shift: In the red shift, light changes as the object in space (such as star or galaxies) moves away from us then the light is shifted to red end.The light is shifted to a shorter frequency. In this case, the light is shifted to a longer wavelength.

Blue shift: In the blue shift, light changes as the object in space (such as star or galaxies) moves towards from us then the light is shifted to blue end. The light is shifted to a longer frequency. In this case, the light is shifted to a shorter wavelength.

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3 years ago

Arrange the order of events for the internalization of LDL particles into cells:

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Answer:

The correct answer is "5-1-3-2-4".

Explanation:

Internalization of LDL particles into cells, is needed to form the intracellular vesicles known as endosomes. The order of events that allow for this process are:

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1) A combination of cholesterol and apolipoprotein binds to LDL receptors and becomes internalized as endocytotic vesicles. Once the receptors are in the proper cell membrane region, cholesterol and apolipoprotein are bound and internalized.

3) Several endocytotic vesicles fuse to form an endosome.

2) The environment of the endosome becomes acidic, which causes the LDL to dissociate from its receptor; additionally, the endosome fuses with a lysosome. LDL should be dissociated from its receptor since it is going to be degraded in the following step.

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3 years ago

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3 years ago

Cell theory states that all living things contain one or more cells. Why do you think cell theory meets the definition of a scie

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Yes, I think the cell theory is a scientific theory because its statements are testable and verifiable.

<h3>What is a scientific theory?</h3>

A scientific theory is a well-sustained statement based on different types of scientific evidence.

A scientific theory must be testable, which means that it can be confirmed or rejected by using the scientific method.

In conclusion, the cell theory meets the definition of a scientific theory because it is testable and verifiable.

Learn more about scientific theories here:

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2 years ago