What is the origin of DNA replication?
Transcription

Quiz
•
Science
•
10th Grade
•
Medium
Ronnel Salgado
Used 16+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Specific site at which the DNA replication starts
At the site which blocks initiation
Random site in the DNA
At the site at which the replication is terminated
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens at the start of a DNA replication?
The phosphodiester bonds between the adjoining nucleotides break.
The hydrogen bonds between nucleotides of two strands break.
The lagging strand produces Okazaki fragments.
The bonds between nitrogenous bases and deoxyribose sugar break.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In humans, where does DNA replication takes place?
ribosomes
mitochondria
cell membrane
nucleus
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Complete the sentence:
RNA is synthesized on a DNA sequence in a process called _____________, which uses the enzyme ____________.
replication, DNA polymerase
transcription, RNA polymerase
translation, RNA polymerase
transcription, DNA polymerase
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chargaff determined that the DNA contains the same amount of adenine as ______________.
Thymine
Cytosine
Guanine
Uracil
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the RNA molecule, which nitrogenous base replaces Thymine?
Uracil
Cytosine
Guanine
Adenine
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following are the bases of an RNA?
adenine, cytosine, guanine, thymine, uracil
cytosine, guanine, thymine, uracil
adenine, cytosine, guanine, thymine
adenine, cytosine, guanine, uracil
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