Nucleotides in RNA Are Connected to One Another in the Polynucleotide

question 200

Multiple Choice

Nucleotides in RNA are connected to one another in the polynucleotide chain by _______ bonds between _______.

• A) hydrogen; a sugar and a phosphate group
• B) covalent; two phosphates
• C) covalent; two sugars
• D) hydrogen; two phosphate groups
• E) covalent; a sugar and a phosphate group

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Definitions:

Polysaccharide

A carbohydrate molecule composed of long chains of monosaccharide units bound together by glycosidic linkages.

Monosaccharides

Monosaccharides are the simplest form of carbohydrates consisting of a single sugar molecule, such as glucose and fructose.

Disaccharide

A sugar molecule composed of two monosaccharides joined together, examples include sucrose and lactose.

Nucleic Acids

Large biological molecules essential for all known forms of life, including DNA and RNA, which carry genetic information.