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krok68 [10]
3 years ago
12

Arrector pili are responsible for fingerprints true or false

Biology
1 answer:
vovikov84 [41]3 years ago
4 0
I believe it is false...........
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Which gas is most effective in absorbing incoming harmful ultraviolet radiation in the earth's stratosphere before that radiatio
artcher [175]

Answer:

Ozone (O₃) gas

Explanation:

In the Earth's stratosphere, oxygen gas (O₂) is combined with atomic oxygen (O) to form ozone gas (O₃). This is very important because ozone protects the life on Earth from ultraviolet (UV) radiation from the Sun. UV radiation is high-energy radiation, and it is very dangerous for living organisms. Ozone molecule (O₃) absorbs UV radiation and it breaks down by forming O₂ and atomic oxygen (O) again. In this way, it protects the Earth from nocive radiation.

6 0
3 years ago
Researchers studying a species of endangered bird were interested in whether a relationship exists between the number of eggs la
koban [17]

Answer: The x-axis has mother bird and the y-axis has chicks

Explanation:

The researchers studying the relationship between the number of eggs which is laid by the birds and the number of chicks which is surviving at the end of the year.

The researchers will make a graph between these two factors. One is eggs laid and the number of chicks that survived till the year last.

This will help to known of the proportion of the chicks which survived on an average.  

5 0
3 years ago
Which diagram correctly displays the order of events during egg formation?
Lynna [10]

Answer:

primary oocyte ® meiosis I ® secondary oocyte ® meiosis II ® ovum

Explanation:

mark me brainliest please

7 0
3 years ago
Read 2 more answers
What are all the parts of this organelle ?
devlian [24]

Answer:

Something

Explanation:

5 0
3 years ago
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
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