Penn Foster Biology Chapter 10 Questions and Answers Rated A+
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Penn Foster Biology Chapter 10
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Penn Foster Biology Chapter 10
Penn Foster Biology Chapter 10
Questions and Answers Rated A+
What is the main function of DNA in cells?
To store and transmit genetic information that guides the development and functioning of
organisms.
What are the building blocks of DNA called?
Nucleotides.
What are the three c...
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Penn Foster Biology Chapter 10
Penn Foster Biology Chapter 10
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Penn Foster Biology Chapter 10
Questions and Answers Rated A+
What is the main function of DNA in cells?
✔✔ To store and transmit genetic information that guides the development and functioning of
organisms.
What are the building blocks of DNA called?
✔✔ Nucleotides.
What are the three components of a nucleotide?
✔✔ A phosphate group, a sugar molecule, and a nitrogenous base.
What is the structure of DNA known as?
✔✔ A double helix.
Which bases are paired together in DNA?
✔✔ Adenine pairs with thymine, and cytosine pairs with guanine.
1
, What process is used to replicate DNA?
✔✔ DNA replication.
What is the role of helicase in DNA replication?
✔✔ To unwind and separate the DNA double helix.
What enzyme is responsible for adding new nucleotides during DNA replication?
✔✔ DNA polymerase.
What is the difference between the leading strand and the lagging strand in DNA replication?
✔✔ The leading strand is synthesized continuously, while the lagging strand is synthesized in
short segments called Okazaki fragments.
What is transcription in the context of genetics?
✔✔ The process of converting a DNA sequence into a complementary RNA sequence.
What is the role of mRNA?
2
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