DNA Differs from RNA Because

question 78

Multiple Choice

DNA differs from RNA because

• A) RNA is not made up of nucleotides,but DNA is.
• B) RNA is a nucleotide,whereas DNA is a nucleic acid.
• C) RNA does not contain a sugar molecule,but DNA does.
• D) RNA is only one linear chain,whereas DNA consists of two chains bonded together.
• E) RNA has an attached lipid,but DNA does not.

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Definitions:

Conjugal Gene Transfer

A process in bacteria where genetic material is transferred between bacterial cells through direct contact.

Binary Fission

A method of asexual reproduction seen in prokaryotic organisms and some single-celled eukaryotes, where a cell divides into two genetically identical daughter cells.

Conjugation

(1) A sexual process in ciliate protists that involves exchange of haploid nuclei with another cell. (2) A mechanism for DNA exchange in bacteria that involves cell-to-cell contact.

Pathogenic

Capable of causing disease; refers to microorganisms or agents that can produce an illness when they invade a host organism.