Multiple Choice
Which of the following best describes a frameshift mutation in the context of organic chemistry?
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Intro to Organic Chemistry
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In the context of DNA replication, what does semi-conservative replication mean?
A
Each new DNA molecule consists of two new strands.
B
Each new DNA molecule is a random mix of original and new strands.
C
Each new DNA molecule consists of one original strand and one new strand.
D
Each new DNA molecule consists of two original strands.
Verified step by step guidance1
Understand the concept of DNA replication: DNA replication is the process by which a cell duplicates its DNA before cell division, ensuring that each new cell receives a complete set of genetic information.
Learn about the semi-conservative model: The semi-conservative model of DNA replication suggests that each of the two strands of the DNA helix serves as a template for the synthesis of a new complementary strand.
Visualize the replication process: During replication, the double-stranded DNA unwinds, and each original strand pairs with new nucleotides to form a new strand, resulting in two DNA molecules, each with one original and one new strand.
Compare with other models: Contrast the semi-conservative model with conservative replication (where the original DNA molecule is conserved and a completely new molecule is synthesized) and dispersive replication (where the DNA is fragmented and each new molecule is a mix of old and new DNA segments).
Conclude with the correct understanding: Semi-conservative replication means that each new DNA molecule consists of one original strand and one new strand, maintaining genetic continuity across generations.
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