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Finger [1]
2 years ago
9

Which of the following is common to both eukaryotic and prokaryotic cells?

Biology
1 answer:
BartSMP [9]2 years ago
5 0
They both of cell membranes if I remember correctly.
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If the entire population of the united states forms a human chain by holding hands, how many times can such a chain be wrapped a
IceJOKER [234]
The formula used can be found in Quora.com (population*average height)/Earth's circumference), gives the result of the number of the human chain.

If the average height of an American is 1.77m and the US population is  326, 292, 068 (June 2, 2017) and if everyone is already an adult. 

US population 326, 292, 068
Average height according to study
is estimated as the same as arm span  <span>1.77
</span>Earth circumference in meters: <span>40,075,000
</span>
<span>
(</span>326, 292, 068 people * 1.77m) / 40,075,000m = 14.411 times
7 0
3 years ago
When you eat a piece of bread ,you consume carbohydrates.Which part of the cell is responsible for breaking down a carbohydrate
Natasha2012 [34]

Lysosomes:an organelle in the cytoplasm of Eukaryota cells containing degradation enzymes enclosed in a membrane.

3 0
3 years ago
Read 2 more answers
What part of body are you focusing on with this stretch?
Vilka [71]

Answer:

arms and shoulders

Explanation:

at least with me, after I lift weights, I do this and I can feel the focus on my arms and shoulders. It hurts like a b though lol

5 0
3 years ago
How did Claire’s digestion reaction rates tell you that the problem was in her small intestine, and not her stomach?
lozanna [386]

Answer:

Absorption of the nutrients will not happen.

Explanation:

Claire’s digestion reaction rates tell you that the problem was in her small intestine, and not her stomach because the intestine is responsible for the absorption of most of the nutrients produced from eating and drinking of food substances. If the absorption of the nutrients will not happen by the intestine, the whole homeostasis or equilibrium of the body disturbs and no growth of the cell  occurs.

7 0
3 years ago
The chemical mechanisms used to avoid errors in protein synthesis are different from those used during DNA replication. DNA poly
Savatey [412]

Answer:

(C) Aminoacyl-tRNA synthetases have an additional active site that binds to non-cognate tRNAs. The tRNAs that bind to this second active are hydrolyzed and released from the enzyme.

Explanation:

In case of translation, proof reading is done by aminoacyl-tRNA synthetases only. Aminoacyl-tRNA synthetases have two mechanisms to avoid error during translation which are mentioned as under:

<u>(1) Chemical proof reading:</u> Incorrect amino acids rather than being hydrolyzed in catalytic pocket get hydrolyzed in editing pocket and thus they hardly get attached to tRNA.  

For example: For distinguishing similar amino acids like isoleucine and valine, isoleucyl-tRNA synthetase uses a second active site which is meant for only valine not for isoleucine. In this particular site, valine which had entered the enzyme is cleaved away with the help of editing reaction after which the enzyme is well prepared to process isoleucine which is the correct amino acid for this enzyme.

<u>(2) Kinetic proof reading: </u>Even if an incorrect amino acid has entered a particular aminoacyl-tRNA synthetase, it does not cause appropriate conformational change in the enzyme because of which the incorrect amino acid loosens from the enzyme and does not get incorporated.

Note: In this example, only chemical proof reading is mentioned not kinetic proof reading.

5 0
3 years ago
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