2. A nucleotide is made of three parts: a and a group, a five carbon base. of the 3. In a single strand of DNA, the phosphate group binds to the next group. 4. Chargaff's rule states that the DNA of any species contains equal amounts of & & and also equal amounts of

Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN:9781305251052
Author:Michael Cummings
Publisher:Michael Cummings
Chapter8: The Structure, Replication, And Chromosomal Organization Of Dna
Section: Chapter Questions
Problem 15QP: Using Figures 8.7 and 8.9 as a guide, draw a dinucleotide composed of C and A. Next to this, draw...
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Date
Name
Period.
DNA: The Molecule of Heredity Worksheet
DNA Structure
1. On the diagram to the right:
Circle and label a
nucleotide.
edi
Label the sugar and
phosphate molecules.MO
AMD
ad bl
Label the bases that are
not already labeled.b
Label a base pair.
*****
7 wled olunelo
Label the sugar-iam
phosphate backbones.
• Label the hydrogen
bonds.
lonicinO
AMO
lonipinO
AVO
bnot
bannte
S bhonte
2. A nucleotide is made of three parts: a
and a
group, a five carbon
base.
of the
3. In a single strand of DNA, the phosphate group binds to the
next group.
4. Chargaffs rule states that the DNA of any species contains equal amounts of
and also equal amounts of
&
&
5. In DNA, thymine is complementary to (or pairs with)
complementary to
; cytosine is
6. In a strand of DNA, if the percentage of thymine is 30%, what would the percentage of cytosine
in the same DNA strand be?
7. James Watson and Francis Crick with, the help of Rosalind Franklin and others, determined
that the shape of the DNA molecule was a
8. Why do purines pair with pyrimidines?
9. What type of bonds connect the deoxyribose sugars to the phosphate groups?
10. What type of bonds connect the bases to each other?
MODO000X
Transcribed Image Text:Date Name Period. DNA: The Molecule of Heredity Worksheet DNA Structure 1. On the diagram to the right: Circle and label a nucleotide. edi Label the sugar and phosphate molecules.MO AMD ad bl Label the bases that are not already labeled.b Label a base pair. ***** 7 wled olunelo Label the sugar-iam phosphate backbones. • Label the hydrogen bonds. lonicinO AMO lonipinO AVO bnot bannte S bhonte 2. A nucleotide is made of three parts: a and a group, a five carbon base. of the 3. In a single strand of DNA, the phosphate group binds to the next group. 4. Chargaffs rule states that the DNA of any species contains equal amounts of and also equal amounts of & & 5. In DNA, thymine is complementary to (or pairs with) complementary to ; cytosine is 6. In a strand of DNA, if the percentage of thymine is 30%, what would the percentage of cytosine in the same DNA strand be? 7. James Watson and Francis Crick with, the help of Rosalind Franklin and others, determined that the shape of the DNA molecule was a 8. Why do purines pair with pyrimidines? 9. What type of bonds connect the deoxyribose sugars to the phosphate groups? 10. What type of bonds connect the bases to each other? MODO000X
DNA Replication
Daughter strands are formed using complementary base pairing.
DNA unwinds
Todel hor
2. Why is DNA replication called “semi-conservative"?
3. What enzyme unwinds or unzips the parent strand?
4. What enzyme connects the new bases to the old bases in the DNA template?
eded
0. What enzyme connects the new nucleotides together and proofreads them?
molecule below. Use two different colored pencils (or different pens, markers, etc.) to show which
strands are the original and which are newly synthesized.
6. Show the complimentary base pairing that would occur in the replication of the short DNA
Original
DNA Strand New DNA
1 (copy from
Original
New DNA DNA Strand
2 (copy from
left)
Original
Original
DNA
DNA
Strand
Strand
Strand 1
Strand 2
left)
A -T
ads lo C-G
o bnn
T-A
T-Aro
A -T
C -G
C-G
C-G
G-C
A -T
T-A
+ + + +
+
+ + + +
+
+
t 1 1 ↑ ↑ ↑ 1 ↑
Transcribed Image Text:DNA Replication Daughter strands are formed using complementary base pairing. DNA unwinds Todel hor 2. Why is DNA replication called “semi-conservative"? 3. What enzyme unwinds or unzips the parent strand? 4. What enzyme connects the new bases to the old bases in the DNA template? eded 0. What enzyme connects the new nucleotides together and proofreads them? molecule below. Use two different colored pencils (or different pens, markers, etc.) to show which strands are the original and which are newly synthesized. 6. Show the complimentary base pairing that would occur in the replication of the short DNA Original DNA Strand New DNA 1 (copy from Original New DNA DNA Strand 2 (copy from left) Original Original DNA DNA Strand Strand Strand 1 Strand 2 left) A -T ads lo C-G o bnn T-A T-Aro A -T C -G C-G C-G G-C A -T T-A + + + + + + + + + + + t 1 1 ↑ ↑ ↑ 1 ↑
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