Exam 5: Modern Evolutionary Theory

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Proteins act as catalysts for sythesizing DNA but not RNA.

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False

A chain of amino acids with greater than 100 peptide bonds is referred to as a polypeptide.

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Chromosomes are built of DNA.

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An allele is one member of a gene pair or gene group.

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In biological evolution, variability comes from

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A ribonucleic acid that is used to copy DNA code for the use in protein synthesis is called

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The variation in gene frequency from one end of the region to the other is called

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Another cause of the shuffling of parental genes is crossing-over.

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Natural selection operates on

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A long, two-stranded molecule shaped like a double helix is the structure of

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Just as biologic species are reproductively isolated, human cultures represent closed systems.

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Meiosis produces daughter cells that

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Growth, development and maintenance of body tissues would be impossible without

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Meme is the analagous term to the gene, for the transmission of cultural information.

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Gene flow between populations tends to decrease genetic variation between populations.

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Behaviour is the result of

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Hybridization is the creation of

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A "meme" is a unit of

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How does the idea of punctuated equilibrium contrast with the traditional view on the pace of speciation?

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HeLa cells are

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