Scelta multipla
In RNA, which sugar is found in the nucleotide backbone?
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7. DNA and Chromosome Structure
RNA
Scelta multipla
In RNA, intramolecular hydrogen bonding between complementary bases causes a single-stranded RNA molecule to fold into a characteristic what?
A
Nucleosome
B
Double helix identical to B-form DNA
C
Secondary structure (e.g., hairpin/stem-loop)
D
Okazaki fragment
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Understand that RNA is typically single-stranded, unlike DNA which is double-stranded.
Recognize that intramolecular hydrogen bonding occurs when complementary bases within the same RNA strand pair with each other.
Know that this base pairing causes the RNA strand to fold back on itself, creating specific shapes such as hairpins or stem-loops.
Identify that these folded shapes formed by intramolecular base pairing represent the RNA's secondary structure.
Distinguish secondary structure from other terms: nucleosome (DNA-protein complex), double helix (DNA structure), and Okazaki fragments (DNA replication intermediates).
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