6. On the ribose molecule to the right: • Number the 5 carbons from 1' to 5', starting with the carbon to the right of the oxygen within the ring. CH₂OH O H • Circle the 3' and 5' carbons. These are where the phosphodiester linkages (covalent bonds between nucleotides) will form. -C H H H O-H о H H • Put a square around carbon 1'. This carbon bonds to the nitrogenous base! NH 7. Label this diagram showing the left side of a DNA molecule: N • Write in 3' and 5' in their proper place. (How do you know which end is 3' and which end is 5'? Find the oxygen in the 5-carbon sugar ring, it's always 'pointing' toward the 5' end!) HO-CH2 O- H₂N N Number all the carbons on one of the pentose sugars 0=2-0 о CH2,0 Label the phosphodiester linkages • Circle one nucleotide • Label the three parts of the nucleotide. • Indicate if the nitrogenous bases are purines or pyrimidines Label the phosphate group. Chapter 14 Study Guide 0 0- -CH2O ОН H₂N N

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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6. On the ribose molecule to the right:
• Number the 5 carbons from 1' to 5', starting with the
carbon to the right of the oxygen within the ring.
CH₂OH
O
H
• Circle the 3' and 5' carbons. These are where the
phosphodiester linkages (covalent bonds between
nucleotides) will form.
-C
H
H
H
O-H
о
H
H
• Put a square around carbon 1'. This carbon bonds to the nitrogenous base!
NH
7. Label this diagram showing the left side of a DNA
molecule:
N
• Write in 3' and 5' in their proper place. (How do you
know which end is 3' and which end is 5'?
Find the oxygen in the 5-carbon sugar ring, it's
always 'pointing' toward the 5' end!)
HO-CH2 O-
H₂N
N
Number all the carbons on one of the pentose
sugars
0=2-0
о
CH2,0
Label the phosphodiester linkages
• Circle one nucleotide
• Label the three parts of the nucleotide.
• Indicate if the nitrogenous bases are purines or
pyrimidines
Label the phosphate group.
Chapter 14 Study Guide
0
0-
-CH2O
ОН
H₂N
N
Transcribed Image Text:6. On the ribose molecule to the right: • Number the 5 carbons from 1' to 5', starting with the carbon to the right of the oxygen within the ring. CH₂OH O H • Circle the 3' and 5' carbons. These are where the phosphodiester linkages (covalent bonds between nucleotides) will form. -C H H H O-H о H H • Put a square around carbon 1'. This carbon bonds to the nitrogenous base! NH 7. Label this diagram showing the left side of a DNA molecule: N • Write in 3' and 5' in their proper place. (How do you know which end is 3' and which end is 5'? Find the oxygen in the 5-carbon sugar ring, it's always 'pointing' toward the 5' end!) HO-CH2 O- H₂N N Number all the carbons on one of the pentose sugars 0=2-0 о CH2,0 Label the phosphodiester linkages • Circle one nucleotide • Label the three parts of the nucleotide. • Indicate if the nitrogenous bases are purines or pyrimidines Label the phosphate group. Chapter 14 Study Guide 0 0- -CH2O ОН H₂N N
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