• 2021-04-14 问题

    why mammalian genomes are 100 times the size of bacterial genomes yet are replicated in just a few minutes. Which of the following best explains this fact?

    why mammalian genomes are 100 times the size of bacterial genomes yet are replicated in just a few minutes. Which of the following best explains this fact?

  • 2022-06-01 问题

    Genes come in different versions called: A: alleles B: loci C: genetypes D: chromosomes E: genomes

    Genes come in different versions called: A: alleles B: loci C: genetypes D: chromosomes E: genomes

  • 2022-05-28 问题

    Housekeeping genes are() A: not found in<br/>genomes. B: not<br/>expressed in cells. C: genes that<br/>produce essential products for the survival of an organism. D: need to be<br/>induced.

    Housekeeping genes are() A: not found in<br/>genomes. B: not<br/>expressed in cells. C: genes that<br/>produce essential products for the survival of an organism. D: need to be<br/>induced.

  • 2022-06-03 问题

    Group I introns are remarkable because: A: They are spliced by external RNA molecules without protein involvement. B: They are spliced by protein molecules in the absence of external RNA molecules. C: They are autocatalytic. D: They are only present in mitochondrial and chloroplast genomes.

    Group I introns are remarkable because: A: They are spliced by external RNA molecules without protein involvement. B: They are spliced by protein molecules in the absence of external RNA molecules. C: They are autocatalytic. D: They are only present in mitochondrial and chloroplast genomes.

  • 2022-06-06 问题

    The human genome contains nearly 21,000 protein-coding genes, and these genes make up only about 2 percent of the genome. In another word, 98 percent of the genomes are non-protein-coding DNA, what some people call () DNA. A: the invalid B: the mismatched C: the junk D: the inactivated

    The human genome contains nearly 21,000 protein-coding genes, and these genes make up only about 2 percent of the genome. In another word, 98 percent of the genomes are non-protein-coding DNA, what some people call () DNA. A: the invalid B: the mismatched C: the junk D: the inactivated

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