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Goshia [24]
3 years ago
9

A substance that produces insensitivity or stupor is called a

Biology
1 answer:
WINSTONCH [101]3 years ago
5 0
Narcotic ............
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Which element would you expect to have a full valence shell?
kipiarov [429]

Answer;

-Noble gases or Group 18 elements

Explanation;

A full valence shell is the most stable electron configuration. Group 18 elements or noble gases such as helium, neon, and argon, have a full outer, or valence, shell. Elements in other groups have partially-filled valence shells and gain or lose electrons to achieve a stable electron configuration.

They are extremely unreactive and do not form bonds with themselves. Solid helium is the the ultimate fine powder being monotomic.

3 0
3 years ago
Why was it important for Miller and Urey to sterilized the apparatus to kill any bacteria in it?
valentina_108 [34]

Answer:

Having bacteria would produce organic molecules and defeat the whole purpose of the experiment which is to make organic molecules from inorganic molecules. The experiment was supposed to demonstrate the formation of the first organic molecules that initiated life on primordial earth. It is believed that lightning powered the formation of the first simple amino acids, like glycine, from the primordial atmosphere which was mainly composed of carbon dioxide and methane.

3 0
3 years ago
Eye tests can detect brain tumours. Suggest one other way that brain tumours can be detected. [1]
natulia [17]

Answer:

1. Brain imaging such as CT scans or MRI's can provide evidence of a brain tumor.

2. Brain tumors are hard to treat because of where they are. The brain is the most delicate organ we have. The nerves, veins, blood vessels and more can make treating the tumor very difficult. Brain surgeries can be so complicated when it comes to tumors because any wrong moves and someone can be impaired for life.

Explanation:

I am going off my general knowledge here. I am not entirely sure but I am trying my best to help. Please let me know if it was close or not.

8 0
2 years ago
As a ribosome translocates along an mrna molecule by one codon, what happens after it?
erastova [34]

Answer:

The tRNA is released from the E site of the ribosome and the elongation process finishes while the termination process starts.

Explanation:

When the translocation process is finished the tRNA that is in the E site  of the ribosome is released and the A site of the ribosome reads a stop codon in the mRNA in order to finish the elongation process and start with the termination process.  In the termination process  a termination factor joins the stop codon, the ribosomal subunits split apart, the protein and the tRNA dissociate from one another and the tARN is not in the P site of the ribosome anymore.

4 0
3 years ago
Can someone help me with my living earth homework
lesya [120]
I was debating this question for the longest time and I came up with a conclusion.



No
5 0
3 years ago
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