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sattari [20]
3 years ago
12

Several types of RNA are involved in carrying out protein synthesis. Beginning with the information copied from DNA, in what ord

er do the types of RNA carry out their roles?
mRNA, tRNA, rRNA
mRNA, rRNA, tRNA
tRNA, mRNA, rRNA
tRNA, rRNA, mRNA
Chemistry
2 answers:
DerKrebs [107]3 years ago
6 0

Answer:

The correct answer will be option- mRNA, rRNA, tRNA.

Explanation:

The central dogma or the conversion of genes to proteins takes place in two processes: transcription and translation. Both the process involves RNA nucleic acid.

Transcription: The transcription process converts the DNA molecule to a messenger molecule called mRNA using a DNA strand as a template strand.

Translation: The transcript molecule is translated to proteins through the translation process which takes place in the ribosomes. The ribosomes are made up of rRNA or ribosomal RNA and proteins.  The process of translation initiates after a different RNA molecule called tRNA or transfer RNA molecule brings the specific amino acid to the nascent RNA molecule.

Thus, option- mRNA, rRNA, tRNA is the correct answer.

777dan777 [17]3 years ago
4 0
Answer is tRNA, mRNA, rRNA
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Explanation:

a unit of mass used to express atomic and molecular weights, equal to one twelfth of the mass of an atom of carbon-12.

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In the laboratory you dissolve 22.0 g of nickel(II) nitrate in a volumetric flask and add water to a total volume of 125
Ahat [919]

Answer:

<u>1.364 M</u>.

Explanation:

Molarity formula: M= n/v, where n is moles of solute, and v is liters of solution.

Now, we need to convert the grams of nickel to moles and the volume of water to liters.

125mL/1000= 0.125 L.

To convert nickel grams to moles, we need to take a look at it's chemical formula, which is:

Ni(NO_{3} )_{2}

Now we count how many molecules of each element we have:

Ni= 1

N= 2

O= 6

Calculate the weight (g) of each element (the values of g/mol can be found on the periodic table and they may vary slightly between one table and the other):

Ni: (1) (58.6934)= 58.6934

N= (2) (14.007)= 28.014

O= (6) (15.999)= 95.994

Sum all the values to obtain the total weight of 1 mole of this compound:

58.6934+28.014+95.994= 129(g/mole)

Now that we know the that 129 grams equal 1 mole of nickel(II) nitrate, we can convert the 22.0 g to moles:

129g ------- 1 mole

22.0g ----- x

x= (22*1)/129= 0.1705 moles.

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M= (0.1705 moles) / (0.125 L)= <u>1.364 M</u>.

3 0
2 years ago
how many moles of potassium hydroxide are needed to completely react with 1.73 miles of aluminum sulfate according to the follow
Masteriza [31]
<h3><u>Answer; </u></h3>

=10.38  moles KOH  

<h3><u>Explanation</u>;</h3>

The balanced equation.  

6KOH + Al2(SO4)3 --> 3K2SO4 + 2Al(OH)3  

From the equation;

1 mole of aluminum sulfate requires 6 moles of potassium hydroxide.  

Moles of Aluminium sulfate;  1.73 moles

Moles of KOH;

1 mol Al2(SO4)3 : 6 mol KOH = 1.73  mol Al2(SO4)3 : x mol KOH  

Thus; x =  (6 × 1.73)

              <u> =10.38 moles KOH </u>

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3 years ago
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anzhelika [568]
The balanced reaction is:

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n = PV / RT = 1.00(.520 L) / (0.08206 atm L/mol K ) 273 K
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</span>0.0232 mol NH3 (1 mol N2 / 2 mol NH3) = 0.0116 mol N2


<span>Therefore, the correct answer is A.</span>

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3 years ago
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