Nucleic Acid and DNA Replication Outline Notes
AKS 9a. distinguish between DNA and RNA; including the differences in types of sugar, nitrogen bases,
number of strands, locations and roles (GPS)
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Deoxyribonucleic Acid
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____________ cells activities
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Contains organism’s ___________________
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Contains ___________________ to produce ______________________
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The ladder is twisted forming a
_________DOUBLE HELIX______________
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_________________ bonds with
______________
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___________________ bonds with
________________
RNA
RIBOSE
SUGAR
DNA Replication
During ________________- chromosomes (DNA) are copied (replicated)
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Every cell gets a __________________ of chromosomes
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__________________- process in which DNA is copied
Steps to DNA Replication
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Steps to DNA replication
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1. Chemical bonds split between base pairs using the enzyme ________________ DNA is
______________________
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2. Free _____________________ pair up with complementary base on DNA strands.
Each original strand is called a ___________________________.
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3_______________ and __________________ bond between free nucleotides. Enzyme
DNA polymerase binds the two strands together.
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4. Result is 2 identical molecules of DNA. Each new molecule consists of
___________________ and _____________________.
EOCT Practice Questions
What is the purpose of DNA?
A) manufactures proteins
B) reduces activation energy
C) stores hereditary information
D) to aid in facilitated diffusion
During DNA replication, what would be the complementary strand to the original
DNA segment of GCTAAT?
A) CGATTA
B) GGATTA
C) GGAUUA
D) GGUTTU
Which statement below BEST summarizes the role of the DNA molecule in cells?
A) guides cell division
B) protects cells from infection
C) provides the instructions for making proteins
D) regulates the chemical processes that provide the cell with energy
In the illustration, adenine always pairs with
A) alanine.
B) cytosine.
C) guanine.
D) thymine.