What is the structure of DNA?
DNA and RNA Review

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Biology
•
9th - 12th Grade
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Easy
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1.
FLASHCARD QUESTION
Front
Back
DNA is a double helix made up of two strands of nucleotides, which include a sugar, a phosphate group, and a nitrogenous base.
2.
FLASHCARD QUESTION
Front
What are the four nitrogenous bases in DNA?
Back
Adenine (A), Thymine (T), Cytosine (C), and Guanine (G).
3.
FLASHCARD QUESTION
Front
What is the base pairing rule in DNA?
Back
Adenine pairs with Thymine (A-T) and Cytosine pairs with Guanine (C-G).
4.
FLASHCARD QUESTION
Front
What is RNA and how does it differ from DNA?
Back
RNA (Ribonucleic Acid) is single-stranded and contains Uracil (U) instead of Thymine (T).
5.
FLASHCARD QUESTION
Front
What are the three types of RNA?
Back
Messenger RNA (mRNA), Transfer RNA (tRNA), and Ribosomal RNA (rRNA).
6.
FLASHCARD QUESTION
Front
What is the function of mRNA?
Back
mRNA carries the genetic information from DNA to the ribosome for protein synthesis.
7.
FLASHCARD QUESTION
Front
What is transcription in the context of DNA and RNA?
Back
Transcription is the process of copying a segment of DNA into RNA.
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