MCQ Questions
Q.1.
a twisted ladder
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    Look at the DNA molecule shown to the right. What does it look like?
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    Based on this picture, how do you think a DNA molecule makes a copy of itself?
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    What makes up the sides of the DNA molecule?
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    What are the two DNA components shown in the Gizmo?
Q.2.
4 (Adenine, Cytosine, Guanine, and Thymine)
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    What are the two DNA components shown in the Gizmo?
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    What are the three parts of a nucleotide?
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    How many different nitrogenous bases do you see?
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    Why is DNA replication such a important process?
Q.3.
nucleoside and phosphate
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    What are the three parts of a nucleotide?
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    What are the two DNA components shown in the Gizmo?
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    What makes up the rungs of the DNA molecule?
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    What makes up the sides of the DNA molecule?
Q.4.
Adenine
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    Guanine joins to
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    Thymine joins to
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    Adenine joins to
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    Cytosine joins to
Q.5.
Because a cell cannotgrow and reproduce (or divide) unless DNA has been replicated.
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    What makes up the sides of the DNA molecule?
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    What are the two DNA components shown in the Gizmo?
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    Why is DNA replication such a important process?
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    How many different nitrogenous bases do you see?
Q.6.
phosphate, sugar and nitrogenous base
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    What makes up the sides of the DNA molecule?
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    What are the two DNA components shown in the Gizmo?
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    What makes up the rungs of the DNA molecule?
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    What are the three parts of a nucleotide?
Q.7.
nitrogenous bases
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    What are the two DNA components shown in the Gizmo?
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    What makes up the rungs of the DNA molecule?
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    What makes up the sides of the DNA molecule?
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    What are the three parts of a nucleotide?
Q.8.
it splits and untwists
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    What are the two DNA components shown in the Gizmo?
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    Based on this picture, how do you think a DNA molecule makes a copy of itself?
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    Look at the DNA molecule shown to the right. What does it look like?
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    An eznyme is a protein that facilitates certain cell processes. Click release enzyme to release DNA helicase. What does this enzyme do to the DNA molecule?