dna review questions
DESCRIPTION
DNA Review Questions. DNA Structure Questions. Question #1. What does A stand for? Adenine. Question #2. What three things make up a nucleotide? 1 sugar, 1 phosphate, 1 nitrogen base. Question #3. Who is credited with the discovery of the shape of DNA? Watson and Crick. Question #4. - PowerPoint PPT PresentationTRANSCRIPT
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DNA REVIEW QUESTIONS
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DNA Structure Questions
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Question #1 What does A stand for? Adenine
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Question #2 What three things make up a
nucleotide? 1 sugar, 1 phosphate, 1 nitrogen base
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Question #3 Who is credited with the discovery of the
shape of DNA? Watson and Crick
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Question #4 What is the basic structure of DNA
called? Hint-twisted ladder Double helix
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Question #5 Complete the following diagram using
the base-pairing rule GTCGAC CAGCTG
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Question #6 What does C stand for? Cytosine
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Question #7 What does DNA stand for? Deoxyribose nucleic acid
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Question #8 Are there any two people who have
exactly the same DNA? Yes, identical twins
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Question #9 Why is DNA sometimes called the
fingerprint inside your body? Because no two peoples DNA is the
same (except twins) and no two peoples fingerprints are the same
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Question #10 What are the rails of the DNA strand
made up of? The sugar phosphate backbone is made
up of the sugar (deoxyribose) and phosphate.
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Question #11 What are the steps of the DNA strand
are called? Nitrogenous Bases
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Question #12 In a DNA Strand A pairs with ____. T (thymine)
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DNA Replication Questions
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Question #13 Which enzyme is responsible for
unwinding a DNA strand for replication? DNA Helicase
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Question #14 How does DNA Helicase unzip the
strand? It breaks the bonds (hydrogen) between
the two nitrogenous bases
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Question #15 When does DNA Replication occur
during the cell cycle? S-phase of interphase
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Question #16 Why is it necessary for DNA Replication
to occur? I will take either of the following:
To preserve the genetic code between cellsTo prepare for mitosis or meiosis
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Question #17 In DNA replications, how many new
double strands are made? One
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Question #18 DNA Replication follows the Semi-
conservative model of replication, what does this mean?
It means that each strand is made up of one old strand (parent) and one new strand (daughter)
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Question #19 In DNA Replication, which enzyme is
responsible for laying down the complement bases?
DNA Polymerase
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Question #20 Write the DNA Replication complement
to this strand. ATCGCCGATC TAGCGGCTAG
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Transcription
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Question #21 What are the three types of RNA? mRNA , tRNA, rRNA
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Question #22 What does tRNA transfer? Transfer RNA transfers amino acids.
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Question #23 What does mRNA stand for? Messenger RNA
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Question #24 What does rRNA stand for? Ribosomal RNA
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Question #25 Where does transcription take place in
the cell? In the nucleus
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Question #26 In transcription, which enzyme is
responsible for laying down complimentary bases to the parent strand?
RNA Polymerase
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Question #27 Illustrate the central dogma DNA RNA Proteins traits
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Question #28 In RNA, A pairs with ____ U (Uracil)
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Question #29 In transcription, G pairs with ___ C
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Question #30 What are the two products of one round
of transcription? On strand DNA, one strand RNA
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Question #31 What is the name of the sugar found in
RNA? Ribose
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Question #32 Is RNA double or single-stranded? Single Stranded
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Translation
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Question #33 What is made as a result of translation? Proteins
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Question #34 How many bases make up a codon? 3
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Question #35 What is the basic unit of proteins? Amino Acids
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Question #36 How many codons does the following
tRNA strand have? AUGCCGGGCUUAGCGUGA
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Question #37 What three bases make up a start
codon? AUG (needs to be in this order)
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Question #38 Name all three stop codons. UAG, UAA, UGA
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Question #39 In translation proteins are made from a
_____ template RNA
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Question #40 Where does translation occur in the
cell? Ribosome
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Bonus Question- Worth 30 pts. Use the following to decode the tRNA
strand.AUGGGCCUGUGA Met-Gly-Leu-Stop