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18 Questions

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Genetics and DNA Function Quiz

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Questions and Answers

What is the main function of DNA replication?

To make a copy of itself during cell division (correct)

To produce energy for the cell

To synthesize proteins

To repair damaged DNA

During DNA replication, what is the function of the leading strand?

Serving as the template for RNA synthesis

Breaking down the old DNA strands

Synthesizing new DNA in the opposite direction of replication fork

Synthesizing new DNA in the same direction as replication fork (correct)

What is a replication fork in DNA replication?

A protein responsible for repairing DNA damage

An enzyme that aids in replication

A type of RNA molecule involved in transcription

A Y-shaped structure formed during DNA replication (correct)

What does semiconservative mean in the context of DNA replication?

One strand of the double helix is conserved while the other is fully replicated Signup and view all the answers

Which enzyme is NOT involved in DNA replication?

RNA polymerase Signup and view all the answers

What happens to the lagging strand during DNA replication?

It synthesizes new DNA in the opposite direction of the replication fork Signup and view all the answers

During which stage in the cell cycle does DNA replication occur?

S Phase Signup and view all the answers

What is the function of centrosomes during DNA replication?

Organize cell division Signup and view all the answers

Which term describes the process of forming identical pairs of DNA molecules during the S Phase?

Karyokinesis Signup and view all the answers

What is the main outcome of the G2 Phase of the cell cycle?

Energy replenishment Signup and view all the answers

Which statement accurately describes mitosis?

Involves the division of somatic cells Signup and view all the answers

What happens during Prophase in mitosis?

Nuclear envelope dissociates Signup and view all the answers

During DNA replication, what is the function of DNA polymerase?

Add free DNA nucleotides using complementary base pairing Signup and view all the answers

Which enzyme is primarily responsible for unzipping the DNA helix during replication?

DNA helicase Signup and view all the answers

What is the role of RNA in protein synthesis?

Facilitating translation of DNA to proteins Signup and view all the answers

Which type of RNA serves as a messenger in conveying instructions between DNA and ribosomes?

mRNA Signup and view all the answers

What type of bond is broken to separate the two strands of DNA during replication?

Hydrogen bond Signup and view all the answers

Which sugar is present in RNA but not in DNA?

Ribose Signup and view all the answers