18 Questions
What is the name of the sugar found in DNA molecules?
Deoxyribose
Which of the following is NOT a nitrogenous base found in DNA?
Uracil
According to Chargaff's rule, which of the following base pairs is NOT found in DNA?
Adenine-Adenine
What is the chemical linkage between monomer units in nucleic acids?
Phosphodiester bond
According to Chargaff's rule, what is the relationship between the DNA bases?
Adenine pairs with thymine, and guanine pairs with cytosine
What is the function of RNA in the cell?
RNA is involved in the transcription and translation of genetic material.
Which of the following is a type of DNA?
Deoxyribonucleic acid (DNA)
What is the main difference between the A-form and B-form of DNA?
A-form DNA has a left-handed helix, while B-form DNA has a right-handed helix
What is the relationship between the major groove and minor groove in DNA?
The major groove and minor groove are critical for the binding of regulatory proteins
What is the significance of the B-to-Z transition in DNA?
The B-to-Z transition is a radical change in DNA structure that may play a role in gene regulation
What is the primary function of mitochondrial DNA (mtDNA)?
mtDNA encodes the majority of mitochondrial proteins
How many base pairs are present in each turn of the Z-form DNA helix?
12 base pairs per turn
What is the correct base pairing in the DNA double helix?
Adenine (A) pairs with Thymine (T), and Cytosine (C) pairs with Guanine (G)
What is the name of the nucleotide that contains the nitrogenous base Guanine (G)?
Deoxyguanylate (G)
What is the name of the nucleotide that contains the nitrogenous base Cytosine (C)?
Deoxycytidylate (C)
What is the name of the nucleotide that contains the nitrogenous base Thymine (T)?
Deoxythymidylate (T)
What is the name of the nucleotide that contains the nitrogenous base Adenine (A)?
Deoxyadenosine (A)
What is the structure of the DNA double helix?
The DNA double helix is a twisted ladder-like structure with antiparallel strands.
Learn about the fundamental concepts of nucleic acid structure, including base pairing, Chargaff's rule, and the different forms of DNA. Explore the major and minor grooves, glycosidic bonds of base pairs, and the significance of antiparallel DNA base-pairing.
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