Nucleic Basics Quiz

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Nucleosides, nucleotides, DNA/RNA basics

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Mai Elshoukrofy

Egypt

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Nucleic Basics Quiz


Nucleic Basics QuizVersion en ligne Nucleosides, nucleotides, DNA/RNA basics par Mai Elshoukrofy 1 What is a nucleoside composed of? a A nitrogenous base + a phosphate b A nitrogenous base + a sugar + a phosphate c A sugar + a phosphate d A nitrogenous base + a sugar 2 What distinguishes ribonucleotides from deoxyribonucleotides? a The presence of an unstable phosphate b The sugar: D-ribose vs 2'-deoxy-D-ribose c The absence of nitrogenous bases d The base composition 3 Which sugar is found in RNA? a Deoxyribose b D-ribose c L-ribose d 2'-deoxy-D-ribose 4 What bond links a base to the sugar in a nucleoside? a β-glycosidic bond b Ionic bond c Phosphodiester bond d Hydrogen bond 5 What polymerizes to form nucleic acids? a Nucleosides b Sugars c Amino acids d Nucleotides 6 Which bases are found in DNA but not in RNA? a Adenine and Guanine b Thymine and Uracil differences c Cytosine and Uracil d Adenine and Uracil 7 What is the sugar in DNA called? a Ribose-5-phosphate b 2'-deoxy-D-ribose c Deoxyribose-5-phosphate d D-ribose 8 What type of bond connects adjacent nucleotides in a nucleic acid? a Hydrogen bond b Phosphodiester bond c Peptide bond d Glycosidic bond 9 Which nucleic acid uses a double helix structure? a DNA b rRNA c tRNA d RNA 10 What is ATP’s role in cells? a A neurotransmitter b A genetic material c A structural component of membranes d Primary energy currency Feedback 1 Nucleosides lack the phosphate group; nucleotides include phosphate. 2 Ribonucleotides use D-ribose; DNA uses 2'-deoxy-D-ribose. 3 RNA contains D-ribose; DNA contains 2'-deoxy-D-ribose. 4 The bond between base and sugar is the β-glycosidic linkage. 5 Nucleic acids are polymers of nucleotides. 6 DNA has thymine; RNA has uracil. 7 DNA uses 2'-deoxy-D-ribose. 8 Adjacent nucleotides are joined by phosphodiester linkages. 9 DNA forms a double helix; RNA is typically single-stranded. 10 ATP serves as the energy currency of cells.

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Nucleic Basics Quiz

Test

À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

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Nucleic Basics QuizVersion en ligne

par Mai Elshoukrofy

What is a nucleoside composed of?

What distinguishes ribonucleotides from deoxyribonucleotides?

Which sugar is found in RNA?

What bond links a base to the sugar in a nucleoside?

What polymerizes to form nucleic acids?

Which bases are found in DNA but not in RNA?

What is the sugar in DNA called?

What type of bond connects adjacent nucleotides in a nucleic acid?

Which nucleic acid uses a double helix structure?

What is ATP’s role in cells?

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