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Kazeer [188]
3 years ago
14

Where do you think information is coded in a DNA molecule?

Chemistry
2 answers:
tester [92]3 years ago
6 0

Answer:

In the nucleobases

Explanation:

The series of the nucleobases make the difference!

Check out this: https://en.m.wikipedia.org/wiki/Nucleobase

Solnce55 [7]3 years ago
5 0
Nucleobases here is your answer
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natulia [17]
D, as forces are unbalanced
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3 years ago
How many grams of Aluminum are needed to<br> produce 45.3 grams of Iron metal?
Dimas [21]
It might be 90.6g...
3 0
3 years ago
A 1.87 L aqueous solution of KOH contains 155 g of KOH . The solution has a density of 1.29 g/mL . Calculate the molarity ( M ),
Semenov [28]

Answer:        

[KOH] : 1.47 M

[KOH] : 1.22 m

[KOH]: 6.42 % mass percent.      

Explanation:

First of all we must determine the volume of solution. We have to work with the density

Density = mass / volume

1.29 g/ml = mass / 1870 ml

1.29 g/ml . 1870 ml = 2412.3

Now we must convert the mass to moles

155g / 56.1 g/ mol = 2.76 moles

Now we can calculate molarity

2.76 mol / 1.87 L = 1.47 M

To calculate molality we have to find out the mass of solvent

mass solute + mass solvent = mass solution

155 g + mass solvent = 2412.3 g

2412.3g - 155g = 2257.3g

We have to convert the 2257.3 g to kg

2257.3 g = 2.25 kg

molality = 2.76 moles / 2.25 kg = 1.22 m

To find out the % mass percentation, we have to calculate the mass of solute in 100 g of solution.

In 2412.3 g of solution we have 155 g of KOH

In 100 g of solution, we would have (100 . 155) / 2412.3 = 6.42 %mass percent.

7 0
3 years ago
Chlorination of ethane yields, in addition to ethyl chloride, a mixture of two isomeric dichlorides. what are the structures of
jeyben [28]
CH_3 CH_2 Cl has two different types of hydrogen. On further chlorination they are being substituted by chlorine to give two isomeric dichlorides

The structures of the two chlorides are shown below.

Where Hb is replaced by Cl and Ha is replaced by Cl

5 0
3 years ago
I NEED HELP WITH 1-4 PLEASE ASAP!!!
Varvara68 [4.7K]

Answer:

1 is the same    3 is pure substance 4 is different

Explanation:

not sure about 2

5 0
3 years ago
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