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larisa86 [58]
3 years ago
8

This is really easy!

Biology
1 answer:
Semmy [17]3 years ago
8 0

Answer:

Earth, Solar System, Milky Way galaxy, Universe.

Explanation:

Pls mark brainliest.

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The desert and tundra are alike because they both have A) extreme daily temperature changes. B) large seasonal variation. C) lim
Ostrovityanka [42]
The desert and tundra are alike because they both have limited available water. 
4 0
3 years ago
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How does heart rate change during and after an exercise is performed for two different periods of time?
andrew-mc [135]

Answer:

During exercise, your heart typically beats faster so that more blood gets out to your body. Your heart can also increase its stroke volume by pumping more forcefully or increasing the amount of blood that fills the left ventricle before it pumps.

Explanation:

8 0
3 years ago
What type of cycle is the water cycle grouped as
geniusboy [140]

Answer:

hydrologic cycle

Explanation:

Water cycle. Water cycle, also called hydrologic cycle, cycle that involves the continuous circulation of water in the Earth-atmosphere system. Of the many processes involved in the water cycle, the most important are evaporation, transpiration, condensation, precipitation, and runoff.

hope this helps :)

4 0
3 years ago
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Researchers are studying the abnormal activity of kinases in relation to cancer. Theoretically, how might researchers use signal
myrzilka [38]

Answer:

I am pretty sure that the answer is A.

Explanation:

Protein kinases regulate the cell cycle by giving the "go-ahead" or "stop" signal at checkpoints in the cycle. A mutation/disruption in the protein kinases can result in it not doing its job properly. As a result, it can give the 'go-ahead' signal to all cells (mutated or not) to continue through the cell cycle. A distrupted kinase will infleunce the enviornment for a cancer cell as the cancer cell can continue to divide continuously.

I do not think the answer is D because G-couped receptirs are not involed in the regulation of the cell cycle. Additionally, I do not think the answer is C since the production of cAMP (a secondary messgenger amplifies transduction signals; this doesn't have anything to do with cancer?) Finally, between A and B I know that a direct result of cancer is due to a distruption in either protien kinases or  growth factors (not in the answer choices). Since one of the factors that  leads to cancer is present in answer choice A, I think that is the one. However, this is just my reasoning, I am not 100% sure!

3 0
3 years ago
among cattle having horns is a recessive trait cattle without horns which are called polled cattle are common suppose a horned m
rjkz [21]

Answer:

Correct

Explanation:

It’s always more likely that the dominant gene will show than the recessive gene.

5 0
3 years ago
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