To make restriction fragments, a DNA sample is treated with ________. A) DNA ligase B) restriction enzymes C) DNA polymerase D) lysozyme
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Which of the following enzymes is responsible for RNA synthe…
Which of the following enzymes is responsible for RNA synthesis? A) DNA polymerase B) ribosome C) reverse transcriptase D) RNA polymerase
Transcription is the ________. A) manufacture of a strand…
Transcription is the ________. A) manufacture of a strand of RNA complementary to a strand of DNA B) manufacture of two new DNA double helices that are identical to an old DNA double helix C) modification of a strand of RNA prior to the manufacture of a protein D) manufacture of a protein based on information carried by RNA
The founder effect differs from a population bottleneck in t…
The founder effect differs from a population bottleneck in that the founder effect ________. A) requires a small population B) is a type of natural selection C) can occur only on an oceanic island colony D) involves the isolation of a small colony of individuals from a larger population
The original source of genetic variation that serves as the…
The original source of genetic variation that serves as the raw material for natural selection is ________. A) mutation B) gene flow C) geographic isolation D) random fertilization
What is the ultimate source of all diversity? A) natural s…
What is the ultimate source of all diversity? A) natural selection B) sexual recombination C) meiosis D) mutation
DNA replication ________. A) is a slow process that result…
DNA replication ________. A) is a slow process that results in virtually no errors B) requires DNA polymerase and RNA polymerase C) is a very fast process that results in numerous errors D) requires the cooperation of over a dozen enzymes and other proteins
How many nucleotides make up a codon? A) two B) three C) f…
How many nucleotides make up a codon? A) two B) three C) four D) five
Of the following, which is the last step in the production o…
Of the following, which is the last step in the production of a recombinant DNA plasmid? A) cloning B) using DNA ligase to join DNA fragments C) cutting the gene of interest into fragments D) allowing the reproduction of the bacterium bearing the recombinant plasmid
The expressed (coding) regions of eukaryotic genes are calle…
The expressed (coding) regions of eukaryotic genes are called ________. A) caps B) promoters C) exons D) introns