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Ch 15 DNA Structure and Function Quiz

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Questions and Answers

What are the two purines found in DNA?

Adenine and Thymine

Cytosine and Thymine

Adenine and Cytosine

Guanine and Cytosine (correct)

Who contributed to the understanding of DNA by isolating purified DNA crystals?

Franklin

Chargaff

Watson and Crick

Wilkins (correct)

What does the 5' end of a DNA molecule represent?

The region where DNA can't replicate

The end where DNA can grow from

The end opposite to the front

The beginning of a DNA molecule (correct)

What is formed during DNA replication on the lagging strand?

Okazaki Fragments Signup and view all the answers

Which scientist unveiled the double helix structure of DNA using X-Ray Crystallography?

Franklin Signup and view all the answers

What is the key enzyme necessary to attach Okazaki fragments and complete the DNA molecule?

DNA Ligase Signup and view all the answers

During DNA replication, which enzyme is responsible for adding RNA primers?

DNA Primase Signup and view all the answers

In DNA replication, which enzyme is crucial for linking Okazaki fragments?

DNA Ligase Signup and view all the answers

What is the specific function of DNA Helicase in DNA replication?

Unwinding the DNA double helix Signup and view all the answers

Which enzyme is responsible for synthesizing new DNA strands during DNA replication?

DNA Polymerase Signup and view all the answers

What is the ploidy of diploid cells?

Having two copies of every chromosome Signup and view all the answers

Which process is faster due to less DNA and simultaneous duplication and separation in prokaryotes?

Binary fission Signup and view all the answers