Chapter 1 Self-test questions

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. When DNA is copied, one of the original polynucleotide strands remains in the double helix, as well as a complementary new DNA strand. Which is the single best term to describe this phenomenon.

Semiconservative replication correct incorrect

DNA synthesis correct incorrect

Mitosis and meiosis correct incorrect

Origin of replication correct incorrect

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. Which enzyme facilitates the addition of nucleotides to a growing strand of DNA.

DNA Ligase correct incorrect

DNA Polymerase correct incorrect

Helicase correct incorrect

Topoisomerase correct incorrect

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. Which type of genome element is not translated but shows homology to a functional gene sequence?

Homeobox gene correct incorrect

Intron correct incorrect

Pseudogene correct incorrect

Untranslated Region (UTR) correct incorrect

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. A nucleotide contains phosphate.

True correct incorrect

False correct incorrect

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. Translation is the biological process for the synthesis of a protein sequence.

True correct incorrect

False correct incorrect

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. Introns are not present within mature messenger (m)RNA

True correct incorrect

False correct incorrect

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. There are nearly twenty thousand protein coding genes in the human genome and the protein coding sequences make up less than two percent of the genome.

True correct incorrect

False correct incorrect