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Leno4ka [110]
2 years ago
12

Why do scientists believe the universe is still expanding? b The further away an object is, the higher the temperature and press

ure eventually become, causing nuclear fusion Distant objects shift in frequency toward red on the electromagnetic spectrum, which tells us objects are moving away from us Spiral galaxies spin, so they appear to be a rotating disk of stars and dust Distant objects shift in frequency toward blue on the electromagnetic spectrum, which tells us objects are closer to us us​
Biology
1 answer:
ololo11 [35]2 years ago
3 0

Answer: it’s distant objects shift in frequency toward red on the electromagnetic spectrum, which tells us objects are moving away from us!

Explanation: This is correct because I got this one right on my quiz and I took notes on it!

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A researcher found a method she could use to manipulate and quantify acetylation and methylation in embryonic cells in culture.
Gemiola [76]

Answer:a) decreased chromatin condensation

Explanation:

During eukaryotic cell division a chromatin becomes obvious and it is simply a mass of genetic material made up of DNA and proteins which condenses to form chromosomes.

The chromatin primarily function in the compression the DNA into a unit so compacted that will be so tiny and can fit within the nucleus.

Chromatin condensation is driven by condensins and interactions between histones.

Condensins however, are large protein complexes whose central role in cell division is chromosome organization and segregation.

Chemical manipulation as stated above is decreases the rate of chromatin condensation.

8 0
3 years ago
Why are shadows longer in the morning and evening?
Luden [163]

Answer:

Shadows are longest in the early morning and late afternoon/early evening when the sun appears low in the sky. As the Earth rotates on its axis, the sun hits each location in the morning at an angle. ... As Earth continues to spin toward sunset, the increasing angle causes shadows to lengthen!

Explanation:

Hope this helps! Have a good day!.....or not...its up to you- <3

4 0
3 years ago
How do carnivores (which eat only meat) obtain nitrogen for building critical organic molecules?
scoundrel [369]

Answer: Option A is correct. They eat consumers which ate plants, which absorb it from soil.

Explanation:

Carnivores get nitrogen from the food they eat or consuming nitrogen from the small insects trapped in plant. They eat consumers which in turn eat plants and absorb nitrogen from the soil.

3 0
3 years ago
How people often take vitamins needlessly or in excess, resulting in excretion in urine of water-soluble vitamins and potentiall
Katyanochek1 [597]

Water-soluble vitamin excesses are swiftly eliminated in urine and infrequently build up to hazardous amounts.

What is water-soluble vitamins ?

The B vitamins — folate, thiamine, riboflavin, niacin, pantothenic acid, biotin, vitamin B6, and vitamin B12 — and vitamin C are the nine water-soluble vitamins. A clinical condition caused by a deficiency in one or more of these water-soluble vitamins can have serious morbidity and death effects.

The fat-soluble vitamins are used by your body as needed, and any extra is stored in your tissues and organs. The risk of vitamin poisoning increases when you take too much fat-soluble vitamins on a regular basis, making them more dangerous than water-soluble vitamins.

To learn more about vitamin poisoning click on the link below:

brainly.com/question/9445187

#SPJ4

6 0
1 year ago
What causes the change from day to night and vice versa?
Ket [755]
The rotation of Earth on its axis
7 0
2 years ago
Read 2 more answers
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