The different number of choices for pentose sugar subunit in DNA nucleotides has to be predicted. Concept introduction: DNA is a polymer of nucleotide . The function of DNA is to store the genetic information. DNA is located in the nucleus of a cell. .
The different number of choices for pentose sugar subunit in DNA nucleotides has to be predicted. Concept introduction: DNA is a polymer of nucleotide . The function of DNA is to store the genetic information. DNA is located in the nucleus of a cell. .
Solution Summary: The author explains that DNA is a polymer of nucleotide. It stores the genetic information and has four choices for nitrogen-containing base subunits.
Definition Definition A complex molecule that makes up a fundamental unit of a DNA or RNA molecule. Nucleotides are composed of a sugar, a nitrogenous base, and a phosphoric acid.
Chapter 11, Problem 11.11EP
(a)
Interpretation Introduction
Interpretation: The different number of choices for pentose sugar subunit in DNA nucleotides has to be predicted.
Concept introduction: DNA is a polymer of nucleotide. The function of DNA is to store the genetic information. DNA is located in the nucleus of a cell.
.
(b)
Interpretation Introduction
Interpretation: The different number of choices for nitrogen-containing base subunit in RNA nucleotides has to be predicted.
Concept introduction: RNA is a polymer of nucleotides. RNA nucleotide contains a subunit of a phosphate group, a nitrogenous base and a pentose sugar.
(c)
Interpretation Introduction
Interpretation: The number of different choices for phosphate subunits in DNA nucleotides has to be predicted.
Concept introduction: DNA is a polymer of nucleotide. The function of DNA is to store the genetic information. DNA is located in the nucleus of a cell.
Lab Data
The distance entered is out of the expected range.
Check your calculations and conversion factors.
Verify your distance. Will the gas cloud be closer to the cotton ball with HCI or NH3?
Did you report your data to the correct number of significant figures?
- X
Experimental Set-up
HCI-NH3
NH3-HCI
Longer Tube
Time elapsed (min)
5 (exact)
5 (exact)
Distance between cotton balls (cm)
24.30
24.40
Distance to cloud (cm)
9.70
14.16
Distance traveled by HCI (cm)
9.70
9.80
Distance traveled by NH3 (cm)
14.60
14.50
Diffusion rate of HCI (cm/hr)
116
118
Diffusion rate of NH3 (cm/hr)
175.2
175.2
How to measure distance and calculate rate
For the titration of a divalent metal ion (M2+) with EDTA, the stoichiometry of the reaction is typically:
1:1 (one mole of EDTA per mole of metal ion)
2:1 (two moles of EDTA per mole of metal ion)
1:2 (one mole of EDTA per two moles of metal ion)
None of the above
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