Agenda:
1.) Warm Up
2.) Notes: RNA vs DNA
3.) Assessment #1 (DNA)
Assessment Questions
Pg. 356 # 9-12
9.) A nucleotide does not contain
a. a 5-carbon sugar
b. an amino acid
c. a nitrogen base
d. a phosphate group
10.) According to Chargoff's rule of base pairing which of the following is true about dna?
a. A=T, & C=G
b. A=C & T=G
c. A=G & T=C
d. A=T=C=G
11.) The bonds that hold the two strands of DNA together came from
a. the attraction of phosphate groups for each other
b. strong bonds between nitrogenous bases and the sugar phosphate backbone
c. weak hydrogen bonds between nitorgenous bases
d. carbon-to-carbon bonds in the sugar portion of the nucleotides
12.) Describe the components and structure of a DNA nucleotide.
Pg. 357 # 20, 21, 22, 24
20.) the diagram below shows the process of
a. replication
b. digestion
c. transformation
d. transporation
21.) the main enzyme involved in linking individual nucleotides into DNA molecules is
a. DNA protease
b. ribose
c. carbohydrate
d. DNA polymerase
22.) What is meant by the term base pairing? How is base pairing involved in DNA replication?
24.) Explain the process of replication. When a DNA molecule is replicated, how do the new molecules compare to the original molecule?
Pg. 359 # 1, 3, 5, 9, 10
1.) During replication, which sequence of nucleotides would bond with the DNA sequence TATGA?
a. TATGA
b. ATACT
c. CACTA
d. AGTAT
3.) Which of the following does not describe the structure of DNA?
a. double helix
b. nucleotide polymer (made of many smaller pieces)
c. contains adenine and guanine pairs
d. sugar-phosphate backbone
5.) The two "backbones" of the DNA molecule consists of
a. adenine and sugars
b. phosphates and sugars
c. adenines and thymines
d. thymines and sugars
9.) How many cells are present after 80 minutes?
a. 1
b. 2
c. 16
d. 32
10.) If the DNA of the bacterium is 4 million base pairs in length, how many total molecules of A,T, C and G are required for replication?
a. 2 million
b. 4 million
c. 8 million
d. 32 million
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