DNA
Quiz
•
Social Studies
•
6th Grade
•
Practice Problem
•
Hard
John Robinson
FREE Resource
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25 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
During interphase
DNA lines up in the middle of the cell and DNA attaches to spindle fibers
2 new nuclei form
2 new identical cells are created
DNA gets copied
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
rules of base pairing are explained by which structural feature of DNA?
Each strand of DNA contains a phosphate and sugar backbone.
The nucleotides of DNA may be arranged in a wide variety of sequences.
DNA is double stranded, and covalent bonds between identical nucleotides hold the two strands together.
DNA is double stranded, and hydrogen bonds between base pairs hold the two strands together.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The model of the double-helix model of the DNA molecule resembles a twisted ladder. What makes up the rungs of the twisted ladder?
paired phosphate groups
paired nitrogenous bases
paired sugars
hydrogen and oxygen atoms
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
This figure shows a section of a double-stranded DNA molecule. What aspects of the structure of DNA are explained by this model? Select three answer choices.
Paired nucleotides are held together by covalent bonds.
Adenine is paired with thymine and guanine is paired with cytosine.
Paired nucleotides are held together by hydrogen bonds.
The two strands of DNA each have phosphate-sugar backbones.
The numbers of each nucleotide determine genetic information.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The sequence of nitrogenous bases on a portion of a strand of DNA is shown in the diagram. From left to right, what is the corresponding sequence of the complementary strand?
C C A C T G A
G G U G T A T
G G T G A C T
T T A G A T C
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The diagram shows a model of DNA replication. Which of the following labels should NOT be added to the model?
DNA polymerase
Replication fork
RNA polymerase
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the primary function of DNA in living organisms?
To store genetic information
To provide energy
To transport nutrients
To protect cells from damage
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