12 Questions
What is the process by which DNA code gets copied into RNA code?
Transcription
Which enzyme is responsible for adding nucleotides complementary to the template strand in DNA replication?
DNA Polymerase
What is the function of RNA polymerase in the cell?
Synthesizes RNA from DNA during transcription
Which type of strand in DNA replication can be continuously synthesized from 5’ → 3’ direction?
Leading strand
What is the function of ligase in DNA replication?
"Glues" Okazaki fragments together
What is the key difference between DNA and RNA in terms of their base components?
RNA contains uracil instead of thymine
What holds together the two complementary strands of nucleotides in a DNA double helix?
Hydrogen bonds
In DNA, what forms a chain by linking together through the sugars and phosphates?
Phosphate groups
What is the sugar attached to a single phosphate group in DNA nucleotides?
Deoxyribose
Which of the following nitrogen-containing bases is a purine in DNA?
Guanine
How are pyrimidines different from purines in DNA?
Pyrimidines are composed of cytosine and thymine, while purines of adenine and guanine.
What analogy is used to describe the structure of each polynucleotide chain in DNA?
Necklace strung with different beads
Learn about the structure of Deoxyribonucleic acid (DNA), including the double helix formation, base pairing, and nucleotide composition. Understand how genetic information is duplicated using DNA strands as templates.
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