Podcast
Questions and Answers
What are the two main classes of nucleic acids?
What are the two main classes of nucleic acids?
- rRNA and snRNA
- DNA and RNA (correct)
- mRNA and tRNA
- Ribose and Deoxyribose
Which sugar in the nucleotide structure indicates the polymer is RNA?
Which sugar in the nucleotide structure indicates the polymer is RNA?
- Ribose (correct)
- Fructose
- Glucose
- Deoxyribose
What is the role of nucleic acids in living cells?
What is the role of nucleic acids in living cells?
- Regulate metabolic processes
- Carry and store genetic information (correct)
- Synthesize proteins
- Act as energy storage molecules
Which bases are found in both RNA and DNA?
Which bases are found in both RNA and DNA?
Single strand ______ is capable of folding back on itself like a hairpin thus acquiring double-stranded structure
Single strand ______ is capable of folding back on itself like a hairpin thus acquiring double-stranded structure
What is the primary function of nucleic acids in directing protein synthesis?
What is the primary function of nucleic acids in directing protein synthesis?
Watson & Crick model of B-______ Structural classification
Watson & Crick model of B-______ Structural classification
Note: ______ exist as a single strand. However, given the proper complementary base sequence with opposite polarity
Note: ______ exist as a single strand. However, given the proper complementary base sequence with opposite polarity
RNA can exist as a double-stranded structure without the help of complementary base sequences.
RNA can exist as a double-stranded structure without the help of complementary base sequences.
The Watson & Crick model of B-DNA is used to classify the structural characteristics of RNA.
The Watson & Crick model of B-DNA is used to classify the structural characteristics of RNA.
The ability of single-strand RNA to fold back on itself like a hairpin is due to its complementary base sequence with opposite polarity.
The ability of single-strand RNA to fold back on itself like a hairpin is due to its complementary base sequence with opposite polarity.
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Study Notes
Nucleic Acids Basics
- Two main classes of nucleic acids: DNA (Deoxyribonucleic Acid) and RNA (Ribonucleic Acid).
- RNA nucleotides contain ribose sugar, while DNA nucleotides contain deoxyribose sugar.
Role of Nucleic Acids
- Nucleic acids are essential for the storage and transmission of genetic information.
- They play a crucial role in directing protein synthesis, acting as templates for synthesizing proteins.
Base Composition
- Both RNA and DNA contain the bases adenine (A), cytosine (C), and guanine (G).
- Thymine (T) is specific to DNA, while RNA includes uracil (U) in place of thymine.
RNA Structure and Properties
- Single-stranded RNA can fold back on itself into structures resembling hairpins due to complementary base pairing.
- RNA is capable of existing in double-stranded formations under the right conditions without requiring additional complementary sequences.
Watson & Crick Model
- The Watson & Crick model provides a framework for understanding the structural classification of B-DNA.
- This model explains the helical structure and base-pairing of nucleic acids, essential for DNA and RNA functionality.
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