What molecule is known to store our genetic instructions?

DNA: The Blueprint of Life

Quiz
•
English
•
9th Grade
•
Hard
MELISSA DUFRECHE
Used 1+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Carbohydrate
RNA
DNA
Protein
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many chromosomes does each somatic cell in a human body have?
23
46
92
44
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the four nitrogenous bases found in DNA?
Adenine, Guanine, Cytosine, Thymine
Adenine, Thymine, Cytosine, Guanine
Adenine, Thymine, Guanine, Uracil
Adenine, Guanine, Cytosine, Uracil
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the shape of DNA?
Single helix
Double helix
Triple helix
Quadruple helix
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who was the Swiss biologist that discovered DNA?
James Watson
Francis Crick
Rosalind Franklin
Friedrich Miescher
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of RNA primase in DNA replication?
It unwinds the double helix
It adds matching nucleotides to the new chain
It lays down short RNA primers
It joins Okazaki fragments
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How often does DNA replication make a mistake?
One in every 100 billion nucleotides
One in every 10 million nucleotides
One in every 100 million nucleotides
One in every 10 billion nucleotides
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What major difference does RNA have compared to DNA?
RNA is double-stranded
RNA contains thymine instead of uracil
RNA has a deoxyribose sugar
RNA is single-stranded
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