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boyakko [2]
3 years ago
9

Does the following statement describes a function of DNA, a function of RNA, of both DNA and RNA, or a function of neither DNA o

r RNA? It stores the nucleus the information a cell needs to make its proteins with the right amount of orders in amino acids.
A. DNA
B. RNA
C. both DNA and RNA
D. neither DNA nor RNA
Chemistry
2 answers:
Effectus [21]3 years ago
6 0

Answer: B: RNA

Explanation: a type of RNA called the messenger RNA is synthesized in the nucleus and its carries a single copy of DNA base sequence of a specific gene to the cytoplasm. mRNA is linked with the ribosomes and the instructions it carries are utilized in the arrangement of amino acids in the correct order to produce a specific protein.

steposvetlana [31]3 years ago
4 0
Guy that said it was DNA was right i just took the test to so another words your answer is Letter A DNA have a nice weekend! <span />
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2) Just add alkoholic KOH∆
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How many atoms are in 5.2 moles of Na ?
Nastasia [14]

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The vapor pressure of water at 25.0°C is 23.8 torr. Determine the mass of glucose (molar mass = 180 g/mol) needed to add to 500.
mrs_skeptik [129]

According to Raoult's law the relative lowering of vapour pressure of a solution made by dissolving non volatile solute is equal to the mole fraction of the non volatile solute dissolved.

the relative lowering of vapour pressure is the ratio of lowering of vapour pressure and vapour pressure of pure solvent

\frac{p^{0-}p}{p^{0}}=x_{B}

Where

xB = mole fraction of solute=?

p^{0}=23.8torr

p = 22.8 torr

x_{B}=\frac{23.8-22.8}{23.8}=0.042

mole fraction is ratio of moles of solute and total moles of solute and solvent

moles of solvent = mass / molar mass = 500 /18 = 27.78 moles

putting the values

molefraction=\frac{molessolute}{molesolute+molessolvent}

0.042=\frac{molessolute}{27.78+molessolute}

1.167+0.042(molesolute)=molessolute

molessolute=1.218

mass of glucose = moles X molar mass = 1.218 X 180 = 219.24 grams



3 0
3 years ago
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