Questions and Answers
What is the term for the directed migration of cells in response to concentration gradients of extracellular signals?
Chemotaxis
Which mechanism is used by bacteria to remove viral DNA from circular chromosomes?
CRISPR
What are oncogenes?
Virus-derived genes that can cause cancer
How do rattlesnakes use chemical cues to track down prey at night?
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What is Pangenesis?
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What is the main characteristic of retroviruses?
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What is the main source of variation in traits?
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Who discovered that some traits are dominant and some are recessive?
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Which scientist confirmed that genes are made of DNA and proposed the double helix model?
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What concept solves Darwin's problem of how heritable particles do not blend?
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According to the Modern Synthesis, what does natural selection act upon?
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What is the process whereby distantly related organisms independently evolve similar traits to adapt to similar necessities called?
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Which process is responsible for the spread of antibiotic resistance genes among bacteria?
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What is a significant outcome of serial symbiosis between prokaryotes according to the text?
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Which event led to the creation of mitochondria and chloroplasts in eukaryotic cells?
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What is a key characteristic of the transfer of genes through sexual reproduction?
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What process involves the direct contact transfer of DNA from a donor bacterium to a recipient bacterium?
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How do viruses replicate within host cells?
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