What is DNA?
DNA, Protein Synthesis, & Mutations

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•
Biology
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
DNA (Deoxyribonucleic Acid) is the molecule that carries the genetic instructions for life. It is composed of two strands that coil around each other to form a double helix.
2.
FLASHCARD QUESTION
Front
What is the role of mRNA in protein synthesis?
Back
mRNA (messenger RNA) is a type of RNA that carries the genetic information from DNA to the ribosome, where proteins are synthesized.
3.
FLASHCARD QUESTION
Front
What is a codon?
Back
A codon is a sequence of three nucleotides in mRNA that corresponds to a specific amino acid or a stop signal during protein synthesis.
4.
FLASHCARD QUESTION
Front
How many nucleotides are in a codon?
Back
Three nucleotides.
5.
FLASHCARD QUESTION
Front
What is an anticodon?
Back
An anticodon is a sequence of three nucleotides in tRNA that is complementary to a codon in mRNA, allowing for the correct amino acid to be added during protein synthesis.
6.
FLASHCARD QUESTION
Front
What is a mutation?
Back
A mutation is a change in the DNA sequence that can lead to changes in the structure and function of proteins.
7.
FLASHCARD QUESTION
Front
What are the types of mutations?
Back
The main types of mutations are substitution, deletion, insertion, and frameshift mutations.
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