DNA Basic

Quiz
•
Biology
•
9th Grade
•
Hard
+4
Standards-aligned
Charles Martinez
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following nucleotide base sequences complements the section of DNA below?
AAT CGC
AAT CGC
TTA CGC
CGC TAA
TTA GCG
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A DNA molecule is shown below on the left and a pool of new nucleotides is shown below on the right of the picture.
What will the new DNA molecules look like after DNA replication?
Tags
NGSS.HS-LS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
__________ adds new nitrogen bases according to the base-pairing rules to create two identical molecules of DNA.
DNA polymerase
DNA helicase
DNA ligase
DNA primase
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes how replication is semi-conservative?
a replicated DNA molecule consists of two new strands, the original strand is not kept
DNA replication conserves energy for later use
a replicated DNA molecule consists of one original strand and one new strand
the replication of DNA never takes place with 100% accuracy
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In order for the DNA to replicate the _______ bonds between base pairs must be broken.
hydrogen
covalent
nucleic
nucleotide
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
DNA replication starts with _________ unzipping the DNA.
DNA polymerase
RNA primase
DNA ligase
DNA helicase
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
DNA replication is ____________, meaning each new molecule of DNA has one new strand and one old strand.
conservative
semi-conservative
recycled
complete
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