nucleic acid

DNA stands for?

• Deoxynucleic acid

• Deoxyribonucleic acid

• Dinuceleic acid

• Dioxygen acid

Nucleoside contains what sub-units?

• Nitrogen base

• Sugar

• Phosphate group

• Both A&B

• All of the above

These are molecules that allow organisms to transfer genetic information from one generation to the next:

• Nucleus

• Nucleolus

• Nucleic acid

• Nuclei

What comprises a nucleotide?

• Sugar

• Nitrogenous base

• Phosphate group

• Both B&C

• All of the above

A nucleotide has a sugar sub-unit. What do you call that sugar according to the number of carbon atoms?

• tiose

• tetrose

• pentose

• hexose

There are 2 types of nitrogen bases, Purine and Pyrimidine. Which of these statements best describes a Purine?

I. Single-ringed structure

II.Double-ringed structure

III. Contains amine functional groups

IV. Adenine

V. Guanine

• I, III, IV

• II,III, IV, V

• II,III,IV,V

• I,II,III,IV,V

• Examples: Cytosine, Uracil, Thymine

There are 2 types of nitrogen bases, Purine and Pyrimidine. Which of these statements best describes a Pyrimidine?

I. Single-ringed structure

II.Double-ringed structure

III. Cytosine

IV. Adenine

V. Thymine

• I,III,IV

• II,IV,V

• III,IV,V

• I,III,V

What is the name of the type of linkage that connects the sugar and the base in a nucleoside formation?

• B-N-glycosidic linkage

• B-N-nuleic linkage

• B-N-aminoic linkage

• B-N-pentanoic linkage

What is the name of the type of linkage that connects the sugar and the phosphate in a nucleotide formation?

• pentose-phophate linkage

• phosphate-ester linkage

• glyco-phosphoric linkage

• pentose ester linkage

What does RNA stands for?

• rionuecleic acide

• ribonucleic acid

• ribodeoxy acid

• ribbon acid