DNA Structure and Function Concepts
Flashcard
•
Science
•
12th Grade
•
Practice Problem
•
Hard
Sue Nicholas
FREE Resource
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8 questions
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1.
FLASHCARD QUESTION
Front
What is the primary function of DNA in living organisms?
Back
To store and transmit genetic information for building and maintaining an organism.
2.
FLASHCARD QUESTION
Front
Which three components make up a nucleotide, the building block of DNA?
Back
Sugar, phosphate group, and nitrogenous base.
3.
FLASHCARD QUESTION
Front
In a healthy strand of DNA, which nucleotide bases always pair together?
Back
Adenine with Thymine, Guanine with Cytosine.
4.
FLASHCARD QUESTION
Front
What is the role of the enzyme helicase during DNA replication?
Back
To break hydrogen bonds and separate the two strands of DNA.
5.
FLASHCARD QUESTION
Front
What is the outcome of DNA replication?
Back
Two identical DNA molecules, each with one original and one newly synthesized strand.
6.
FLASHCARD QUESTION
Front
What is the primary function of the enzyme Helicase during DNA replication?
Back
To create a replication bubble by unwinding the DNA double helix.
7.
FLASHCARD QUESTION
Front
How does DNA Polymerase synthesize the lagging strand during DNA replication?
Back
It adds bases in short fragments, moving away from the replication fork.
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