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.
For Raman spectroscopy/imaging, which statement is not true regarding its disadvantages?
a) Limited spatial resolution.
b) Short integration time.
c) A one-dimensional technique.
d) Weak signal, only 1 in 108 incident photons is Raman scattered.
e) Fluorescence interference.
Using a cell of known pathlength b = 1.25115 x 10-3 cm, a water absorption spectrum was measured. The band at 1645 cm-1, assigned to the O-H bending, showed an absorbance, A, of 1.40.
a) Assuming that water density is 1.00 g/mL, calculate the water molar concentration c (hint: M= mole/L)
b) Calculate the molar absorptivity, a, of the 1645 cm-1 band
c) The transmitted light, I, can be written as I= Ioexp(-xb), where x is the absorption coefficient (sometimes designated as alpha), Io is the input light, and b is the cell pathlength. Prove that x= (ln10)*x*c. (Please provide a full derivation of the equation for x from the equation for I).
d) Calculate x for the 1645 cm-1 band
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